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Climate and Average Weather Year Round in Arevashat Armenia

In Arevashat, the summers are hot, dry, and clear and the winters are short, freezing, snowy, and partly cloudy. Over the course of the year, the temperature typically varies from 20°F to 94°F and is rarely below 10°F or above 101°F.

Based on the beach/pool score, the best time of year to visit Arevashat for hot-weather activities is from late June to early September.

Climate in Arevashat

very coldcoldcoolwarmhotwarmcoolcoldJanFebMarAprMayJunJulAugSepOctNovDecNowNow98%98%53%53%clearovercastprecipitation: 1.1 inprecipitation: 1.1 in0.3 in0.3 inmuggy: 1%muggy: 1%0%0%drydrybeach/pool score: 8.7beach/pool score: 8.70.00.0
Arevashat weather by month. Click on each chart for more information.

The hot season lasts for 3.5 months, from June 1 to September 17, with an average daily high temperature above 83°F. The hottest month of the year in Arevashat is July, with an average high of 93°F and low of 67°F.

The cold season lasts for 2.9 months, from November 29 to February 23, with an average daily high temperature below 47°F. The coldest month of the year in Arevashat is January, with an average low of 20°F and high of 36°F.

Average High and Low Temperature in Arevashat

Average High and Low Temperature in ArevashathotcoldcoldJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FJan 1435°FJan 1435°FJul 2394°FJul 2394°F20°F20°F69°F69°FJun 183°FJun 183°FSep 1783°FSep 1783°FNov 2947°FNov 2947°FFeb 2347°FFeb 2347°F57°F57°F55°F55°F27°F27°F25°F25°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
AverageJanFebMarAprMayJunJulAugSepOctNovDec
High 36°F44°F56°F67°F76°F87°F93°F92°F83°F70°F54°F40°F
Temp. 27°F32°F44°F56°F64°F74°F81°F80°F70°F57°F42°F30°F
Low 20°F24°F33°F44°F52°F61°F67°F66°F56°F44°F32°F23°F

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in Arevashat

Average Hourly Temperature in ArevashatJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNowNowfreezingfreezingfreezingvery coldcoldcoldcoolcoolcomfortablewarmwarmhotvery coldfreezing
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Fruita, Colorado, United States (6,708 miles away) and Stockton, Kansas, United States (6,487 miles) are the far-away foreign places with temperatures most similar to Arevashat (view comparison).

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In Arevashat, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Arevashat begins around May 30 and lasts for 4.2 months, ending around October 6.

The clearest month of the year in Arevashat is August, during which on average the sky is clear, mostly clear, or partly cloudy 97% of the time.

The cloudier part of the year begins around October 6 and lasts for 7.8 months, ending around May 30.

The cloudiest month of the year in Arevashat is April, during which on average the sky is overcast or mostly cloudy 46% of the time.

Cloud Cover Categories in Arevashat

Cloud Cover Categories in ArevashatclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Aug 1698%Aug 1698%Apr 1053%Apr 1053%May 3075%May 3075%Oct 676%Oct 676%NowNowclearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
FractionJanFebMarAprMayJunJulAugSepOctNovDec
Cloudier 42%44%46%46%35%14%4%3%12%30%38%40%
Clearer 58%56%54%54%65%86%96%97%88%70%62%60%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Arevashat varies throughout the year.

The wetter season lasts 2.7 months, from April 5 to June 26, with a greater than 15% chance of a given day being a wet day. The month with the most wet days in Arevashat is May, with an average of 7.0 days with at least 0.04 inches of precipitation.

The drier season lasts 9.3 months, from June 26 to April 5. The month with the fewest wet days in Arevashat is January, with an average of 2.1 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation in Arevashat changes throughout the year.

Rain alone is the most common for 11 months, from February 4 to December 20. The month with the most days of rain alone in Arevashat is May, with an average of 7.0 days.

Snow alone is the most common for 1.5 months, from December 20 to February 4. The month with the most days of snow alone in Arevashat is January, with an average of 1.1 days.

Daily Chance of Precipitation in Arevashat

Daily Chance of Precipitation in ArevashatsnowrainJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%May 524%May 524%Aug 266%Aug 266%Feb 47%Feb 47%Dec 207%Dec 207%Apr 515%Apr 515%Jun 2615%Jun 2615%NowNowrainsnow
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).
Days ofJanFebMarAprMayJunJulAugSepOctNovDec
Rain 0.6d1.1d2.9d5.5d7.0d5.1d3.3d2.2d2.4d3.9d2.5d1.1d
Mixed 0.3d0.5d0.2d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.3d0.4d
Snow 1.1d0.6d0.1d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.2d0.9d
Any 2.1d2.1d3.2d5.5d7.0d5.1d3.3d2.2d2.4d4.0d3.0d2.4d

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Arevashat experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 7.7 months, from March 22 to November 12, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in Arevashat is May, with an average rainfall of 1.1 inches.

The rainless period of the year lasts for 4.3 months, from November 12 to March 22. The month with the least rain in Arevashat is January, with an average rainfall of 0.1 inches.

Average Monthly Rainfall in Arevashat

Average Monthly Rainfall in ArevashatrainJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 inMay 111.1 inMay 111.1 inJan 180.1 inJan 180.1 inOct 260.7 inOct 260.7 inAug 270.3 inAug 270.3 inMar 220.5 inMar 220.5 inNowNow
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall 0.1″0.2″0.4″0.9″1.1″0.8″0.5″0.3″0.4″0.6″0.4″0.2″

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Arevashat experiences some seasonal variation in monthly snowfall.

The snowy period of the year lasts for 2.7 months, from December 1 to February 20, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Arevashat is January, with an average snowfall of 1.8 inches.

The snowless period of the year lasts for 9.4 months, from February 20 to December 1. The least snow falls around July 13, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall in Arevashat

Average Monthly Snowfall in ArevashatsnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 inJan 22.0 inJan 22.0 inJul 130.0 inJul 130.0 inDec 11.0 inDec 11.0 inFeb 201.0 inFeb 201.0 inNowNow
The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Snowfall 1.8″1.2″0.3″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.5″1.6″

The length of the day in Arevashat varies significantly over the course of the year. In 2024, the shortest day is December 21, with 9 hours, 19 minutes of daylight; the longest day is June 21, with 15 hours, 2 minutes of daylight.

Hours of Daylight and Twilight in Arevashat

Hours of Daylight and Twilight in ArevashatJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 7 minMar 2012 hr, 7 minMar 2015 hr, 2 minJun 2115 hr, 2 minJun 2112 hr, 9 minSep 2212 hr, 9 minSep 229 hr, 19 minDec 219 hr, 19 minDec 21nightnightdayNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.
Hours ofJanFebMarAprMayJunJulAugSepOctNovDec
Daylight 9.7h10.7h12.0h13.3h14.4h15.0h14.7h13.7h12.4h11.1h10.0h9.4h

The earliest sunrise is at 5:32 AM on June 14, and the latest sunrise is 2 hours, 52 minutes later at 8:25 AM on January 5. The earliest sunset is at 5:36 PM on December 7, and the latest sunset is 2 hours, 59 minutes later at 8:35 PM on June 27.

Daylight saving time (DST) is not observed in Arevashat during 2024.

Sunrise & Sunset with Twilight in Arevashat

Sunrise & Sunset with Twilight in ArevashatJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 145:32 AMJun 145:32 AM8:35 PMJun 278:35 PMJun 27Dec 75:36 PMDec 75:36 PM8:25 AMJan 58:25 AMJan 5daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of the year 2024. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in Arevashat

Solar Elevation and Azimuth in ArevashatJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AM000010101010202020203030303040404050506060700000101010102020202030303040405050602673NowNow
northeastsouthwest
Solar elevation and azimuth over the course of the year 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.

Moon Rise, Set & Phases in Arevashat

The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The perceived humidity level in Arevashat, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 1% of 1% throughout.

Humidity Comfort Levels in Arevashat

Humidity Comfort Levels in ArevashatJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 10%Feb 10%Aug 31%Aug 31%NowNowcomfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.
JanFebMarAprMayJunJulAugSepOctNovDec
Muggy days 0.0d0.0d0.0d0.0d0.0d0.0d0.1d0.2d0.0d0.0d0.0d0.0d

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Arevashat experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 7.5 months, from February 7 to September 22, with average wind speeds of more than 5.0 miles per hour. The windiest month of the year in Arevashat is July, with an average hourly wind speed of 5.9 miles per hour.

The calmer time of year lasts for 4.5 months, from September 22 to February 7. The calmest month of the year in Arevashat is December, with an average hourly wind speed of 4.0 miles per hour.

Average Wind Speed in Arevashat

Average Wind Speed in ArevashatwindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mph8 mph8 mph9 mph9 mph10 mph10 mph11 mph11 mphJul 226.0 mphJul 226.0 mphDec 303.9 mphDec 303.9 mphFeb 75.0 mphFeb 75.0 mphSep 225.0 mphSep 225.0 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Wind Speed (mph) 4.25.15.85.75.45.55.95.75.14.54.24.0

The predominant average hourly wind direction in Arevashat varies throughout the year.

The wind is most often from the west for 3.4 months, from February 7 to May 19, with a peak percentage of 38% on April 5. The wind is most often from the east for 8.6 months, from May 19 to February 7, with a peak percentage of 38% on January 1.

Wind Direction in Arevashat

Wind Direction in ArevashatEWEJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwesteastnorthsouth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

To characterize how pleasant the weather is in Arevashat throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Arevashat for general outdoor tourist activities are from late May to late June and from late August to late September, with a peak score in the second week of September.

Tourism Score in Arevashat

Tourism Score in ArevashatJanFebMarAprMayJunJulAugSepOctNovDec002244668810108.28.20.00.07.77.76.56.5NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationtourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Arevashat for hot-weather activities is from late June to early September, with a peak score in the third week of August.

Beach/Pool Score in Arevashat

Beach/Pool Score in Arevashatbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810108.78.70.00.0NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationbeach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Arevashat typically lasts for 7.1 months (219 days), from around March 29 to around November 3, rarely starting before March 13 or after April 16, and rarely ending before October 17 or after November 19.

Time Spent in Various Temperature Bands and the Growing Season in Arevashat

Time Spent in Various Temperature Bands and the Growing Season in Arevashatgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Mar 2950%Mar 2950%Nov 350%Nov 390%Apr 1690%Apr 1690%Oct 1790%Oct 1710%Mar 1310%Mar 1310%Nov 1910%Nov 190%Jan 290%Jan 29Jul 15100%Jul 15100%freezingvery coldcoldcoolcomfortablewarmhotfrigid
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Based on growing degree days alone, the first spring blooms in Arevashat should appear around April 3, only rarely appearing before March 22 or after April 16.

Growing Degree Days in Arevashat

Growing Degree Days in ArevashatJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°F3,500°F3,500°F4,000°F4,000°FApr 388°FApr 388°FJun 8900°FJun 8900°FJul 131,800°FJul 131,800°FDec 314,075°FDec 314,075°F
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.2 months, from May 19 to August 25, with an average daily incident shortwave energy per square meter above 6.9 kWh. The brightest month of the year in Arevashat is July, with an average of 7.9 kWh.

The darker period of the year lasts for 3.5 months, from October 30 to February 13, with an average daily incident shortwave energy per square meter below 3.4 kWh. The darkest month of the year in Arevashat is December, with an average of 2.3 kWh.

Average Daily Incident Shortwave Solar Energy in Arevashat

Average Daily Incident Shortwave Solar Energy in ArevashatbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWh10 kWh10 kWhJul 48.0 kWhJul 48.0 kWhDec 212.2 kWhDec 212.2 kWhMay 196.9 kWhMay 196.9 kWhAug 256.9 kWhAug 256.9 kWhOct 303.4 kWhOct 303.4 kWhFeb 133.4 kWhFeb 133.4 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Solar Energy (kWh) 2.63.54.65.76.87.87.97.25.94.12.82.3

For the purposes of this report, the geographical coordinates of Arevashat are 40.144 deg latitude, 44.375 deg longitude, and 2,799 ft elevation.

The topography within 2 miles of Arevashat contains only modest variations in elevation, with a maximum elevation change of 305 feet and an average elevation above sea level of 2,812 feet. Within 10 miles contains only modest variations in elevation (1,742 feet). Within 50 miles contains very significant variations in elevation (14,206 feet).

The area within 2 miles of Arevashat is covered by cropland (47%), grassland (17%), shrubs (16%), and trees (15%), within 10 miles by cropland (41%) and grassland (20%), and within 50 miles by cropland (25%) and sparse vegetation (16%).

This report illustrates the typical weather in Arevashat, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Arevashat.

For each station, the records are corrected for the elevation difference between that station and Arevashat according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Arevashat is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Arevashat and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Arevashat and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

Please review our full terms contained on our Terms of Service page.