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Winter 2018 Weather History at Kemi-Tornio Airport Finland

This report shows the past weather for Kemi-Tornio Airport, providing a weather history for the winter of 2018. It features all historical weather data series we have available, including the Kemi-Tornio Airport temperature history for the winter of 2018. You can drill down from year to month and even day level reports by clicking on the graphs.

Kemi-Tornio Airport Temperature History in the Winter of 2018

History:202220212020201920182017201620152014
Temperature history in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb-30°F-30°F-20°F-20°F-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°FFallSpring
The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.

Hourly Temperature in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Hourly Temperature in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpringfrigidvery cold
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 hourly reported temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
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Cloud Cover in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Cloud Cover in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
no significant cloudno cloud detectedceiling and visibility ok
The hourly reported cloud coverage, categorized by the percentage of the sky covered by clouds.

Observed Weather in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Observed Weather in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
foghazedrizzlelight rainmoderate rainheavy rainfreezing rainsleetsnow grainslight snowmoderate snowheavy snowhailthunderstorm
The hourly observed weather, color coded by category (in order of severity). If multiple reports are present, the most severe code is shown.
DayObservationsPrecipitationCodes
Sat, Dec 1 Snow, Light Snow, Light Ice Pellets, Freezing Drizzle and Snow, Light Freezing Drizzle and Snow, Light Rain and Snow, Light Snow and Rain, Light Freezing Drizzle, Light Freezing Rain, Light Rain, Showers of Light Rain, Light DrizzleSN, -SN, -PL, FZDZSN, -FZDZSN, -RASN, -SNRA, -FZDZ, -FZRA, -RA, -SHRA, -DZ
Sun, Dec 2 Snow, Light Snow, Showers of Light Snow, Light Ice PelletsSN, -SN, -SHSN, -PL
Mon, Dec 3 Light Snow, Showers of Light Snow-SN, -SHSN
Tue, Dec 4 Snow, Light Snow, Showers of Light Snow, Freezing Unknown PrecipitationSN, -SN, -SHSN, FZUP
Wed, Dec 5 Snow, Light Snow, Showers of Light Snow, Light Freezing Drizzle and SnowSN, -SN, -SHSN, -FZDZSN
Thu, Dec 6 Light Snow, Light Freezing Rain and Snow-SN, -FZRASN
Fri, Dec 7 Light Snow, Showers of Light Snow, Light Freezing Rain, Freezing Fog, Mist, Freezing Unknown Precipitation-SN, -SHSN, -FZRA, FZFG, BR, FZUP
Sat, Dec 8 Light Snow, Showers of Light Snow-SN, -SHSN
Sun, Dec 9 Snow, Light Snow, Showers of Light Snow, Freezing Drizzle and Snow, Light Freezing Drizzle and Snow, Light Freezing Rain and Snow, Light Snow and Rain, Light Freezing Rain, Light Rain, Showers of Light RainSN, -SN, -SHSN, FZDZSN, -FZDZSN, -FZRASN, -SNRA, -FZRA, -RA, -SHRA
Mon, Dec 10 Light Snow, Showers of Light Snow, Light Freezing Drizzle and Snow, Light Rain, Showers of Light Rain, Mist, Patches of Fog-SN, -SHSN, -FZDZSN, -RA, -SHRA, BR, BCFG
Tue, Dec 11 Showers of Light Snow-SHSN
Thu, Dec 13 Light Snow, Freezing Fog, Patches of Fog, Freezing Unknown Precipitation-SN, FZFG, BCFG, FZUP
Fri, Dec 14 Showers of Light Snow-SHSN
Sun, Dec 16 Light Snow, Showers of Light Snow-SN, -SHSN
Mon, Dec 17 Light Snow, Showers of Light Snow-SN, -SHSN
Tue, Dec 18 Light Snow, Showers of Light Snow, Freezing Fog, Mist, Patches of Fog-SN, -SHSN, FZFG, BR, BCFG
Wed, Dec 19 Light Snow, Showers of Light Snow-SN, -SHSN
Thu, Dec 20 Light Snow, Showers of Light Snow, Mist-SN, -SHSN, BR
Fri, Dec 21 Light Snow, Showers of Light Snow-SN, -SHSN
Sat, Dec 22 Light Snow, Showers of Light Snow-SN, -SHSN
Sun, Dec 23 Light Snow, Showers of Light Snow-SN, -SHSN
Mon, Dec 24 Freezing Unknown PrecipitationFZUP
Tue, Dec 25 Light Snow, Showers of Light Snow, Light Freezing Drizzle and Snow, Showers of Light Rain, Patches of Fog, Freezing Unknown Precipitation-SN, -SHSN, -FZDZSN, -SHRA, BCFG, FZUP
Wed, Dec 26 Patches of Fog, Freezing Unknown PrecipitationBCFG, FZUP
Thu, Dec 27 Light Snow, Showers of Light Snow, Light Freezing Drizzle, Light Freezing Rain, Freezing Fog, Mist, Patches of Fog, Freezing Unknown Precipitation-SN, -SHSN, -FZDZ, -FZRA, FZFG, BR, BCFG, FZUP
Fri, Dec 28 Light Snow, Showers of Light Snow, Light Freezing Drizzle and Snow, Freezing Fog, Mist, Patches of Fog, Freezing Unknown Precipitation-SN, -SHSN, -FZDZSN, FZFG, BR, BCFG, FZUP
Sat, Dec 29 Light Freezing Rain and Snow, Light Snow and Rain, Light Freezing Drizzle, Light Rain, Mist-FZRASN, -SNRA, -FZDZ, -RA, BR
Sun, Dec 30 Patches of Fog, Freezing Unknown PrecipitationBCFG, FZUP
Mon, Dec 31 Heavy Snow, Snow, Light Freezing Drizzle and Snow, Light Snow and Rain, Freezing Unknown Precipitation+SN, SN, -FZDZSN, -SNRA, FZUP
Tue, Jan 1 Light Snow, Showers of Light Snow, Light Snow and Rain, Light Freezing Drizzle, Light Freezing Rain, Light Rain, Showers of Light Rain, Light Drizzle-SN, -SHSN, -SNRA, -FZDZ, -FZRA, -RA, -SHRA, -DZ
Wed, Jan 2 Freezing Unknown PrecipitationFZUP
Thu, Jan 3 Heavy Snow, Snow, Light Snow, Showers of Light Snow, Patches of Fog, Freezing Unknown Precipitation+SN, SN, -SN, -SHSN, BCFG, FZUP
Fri, Jan 4 Light Snow, Showers of Light Snow, Freezing Fog, Patches of Fog-SN, -SHSN, FZFG, BCFG
Sat, Jan 5 Freezing FogFZFG
Sun, Jan 6 Light Freezing Rain, Showers of Light Rain-FZRA, -SHRA
Mon, Jan 7 Showers of Light Snow, Light Freezing Drizzle and Snow, Light Freezing Rain, Showers of Light Rain, Freezing Unknown Precipitation-SHSN, -FZDZSN, -FZRA, -SHRA, FZUP
Tue, Jan 8 Freezing Unknown PrecipitationFZUP
Wed, Jan 9 Light Snow, Showers of Light Snow-SN, -SHSN
Thu, Jan 10 Heavy Snow, Snow, Light Snow, Showers of Light Snow, Light Rain, Showers of Light Rain, Blowing Snow+SN, SN, -SN, -SHSN, -RA, -SHRA, BLSN
Fri, Jan 11 Snow, Showers of Light Snow, Showers of Light RainSN, -SHSN, -SHRA
Sun, Jan 13 Light Snow, Showers of Light Snow-SN, -SHSN
Mon, Jan 14 Snow, Light SnowSN, -SN
Tue, Jan 15 Light Snow, Showers of Light Snow-SN, -SHSN
Wed, Jan 16 Light Snow, Showers of Light Snow, Mist, Shallow Fog-SN, -SHSN, BR, MIFG
Thu, Jan 17 Light Snow, Showers of Light Snow, Snow Grains-SN, -SHSN, SG
Fri, Jan 18 Light Snow, Showers of Light Snow-SN, -SHSN
Sat, Jan 19 Light Snow, Showers of Light Snow-SN, -SHSN
Sun, Jan 20 Showers of Light Snow-SHSN
Mon, Jan 21 Light Snow, Showers of Light Snow-SN, -SHSN
Tue, Jan 22 Light Snow, Showers of Light Snow, Partial Fog-SN, -SHSN, PRFG
Wed, Jan 23 Showers of Light Snow, Freezing Unknown Precipitation, Showers in the Vicinity-SHSN, FZUP, VCSH
Thu, Jan 24 Light Snow, Showers of Light Snow, Light Freezing Drizzle and Snow, Freezing Unknown Precipitation-SN, -SHSN, -FZDZSN, FZUP
Fri, Jan 25 Light Snow, Showers of Light Snow, Light Freezing Drizzle and Snow, Freezing Unknown Precipitation-SN, -SHSN, -FZDZSN, FZUP
Sat, Jan 26 Light Snow, Showers of Light Snow, Light Freezing Drizzle and Snow, Freezing Unknown Precipitation-SN, -SHSN, -FZDZSN, FZUP
Sun, Jan 27 Light Snow, Showers of Light Snow-SN, -SHSN
Mon, Jan 28 Light Snow, Showers of Light Snow-SN, -SHSN
Tue, Jan 29 Light Snow, Showers of Light Snow-SN, -SHSN
Wed, Jan 30 Light Snow, Showers of Light Snow-SN, -SHSN
Thu, Jan 31 Light Snow, Showers of Light Snow-SN, -SHSN
Fri, Feb 1 Light Snow, Showers of Light Snow, Light Snow Grains-SN, -SHSN, -SG
Sat, Feb 2 Light Snow, Showers of Light Snow-SN, -SHSN
Sun, Feb 3 Light Snow, Showers of Light Snow-SN, -SHSN
Mon, Feb 4 Snow, Light Snow, Showers of Light SnowSN, -SN, -SHSN
Tue, Feb 5 Snow, Light Snow, Showers of Light Snow, FogIWCA24, IWCA71, IWC71, IWCA85, IWCA20
Wed, Feb 6 Snow, Light Snow, Showers of Light Snow, Freezing Rain, Smoke, Freezing Unknown PrecipitationIWCA24, IWC71, IWCA71, IWCA85, IWCA47, IWC04, FU, FZUP
Thu, Feb 7 Light Snow, Showers of Light Snow, Light Freezing Drizzle and Snow-SN, -SHSN, -FZDZSN
Fri, Feb 8 Light Snow, Showers of Light Snow-SN, -SHSN
Sat, Feb 9 Snow, Light Snow, Showers of Light SnowSN, -SN, -SHSN
Sun, Feb 10 Light Snow, Showers of Light Snow, Light Ice Pellets, Light Freezing Drizzle and Snow, Light Freezing Rain and Snow, Light Rain and Snow, Light Snow and Rain, Light Freezing Rain, Light Rain, Showers of Light Rain, Light Drizzle, Freezing Fog, Mist-SN, -SHSN, -PL, -FZDZSN, -FZRASN, -RASN, -SNRA, -FZRA, -RA, -SHRA, -DZ, FZFG, BR
Mon, Feb 11 Light Snow, Showers of Light Snow, Light Snow Grains, Light Snow and Rain, Showers of Light Snow and Rain, Patches of Fog, Smoke-SN, -SHSN, -SG, -SNRA, -SHSNRA, BCFG, FU
Tue, Feb 12 Light Snow, Showers of Light Snow, Freezing Unknown Precipitation-SN, -SHSN, FZUP
Wed, Feb 13 Snow, Light Snow, Showers of Light Snow, Freezing Fog, Patches of FogSN, -SN, -SHSN, FZFG, BCFG
Thu, Feb 14 Snow, Light Snow, Showers of Light Snow, Light Snow Grains, Light Freezing Rain, Showers of Light RainSN, -SN, -SHSN, -SG, -FZRA, -SHRA
Mon, Feb 18 Heavy Snow, Snow, Light Snow, Showers of Light Snow, Mist, Freezing Unknown Precipitation+SN, SN, -SN, -SHSN, BR, FZUP
Tue, Feb 19 Showers of Light Snow, Light Freezing Drizzle and Snow, Freezing Fog, Mist, Patches of Fog, Freezing Unknown Precipitation-SHSN, -FZDZSN, FZFG, BR, BCFG, FZUP
Wed, Feb 20 Showers of Snow, Snow, Light Snow, Showers of Light Snow, Light Freezing Drizzle and Snow, Drifting SnowSHSN, SN, -SN, -SHSN, -FZDZSN, DRSN
Thu, Feb 21 Showers of Light Snow-SHSN
Fri, Feb 22 Light Snow, Showers of Light Snow, Light Freezing Drizzle and Snow, Freezing Rain, Light Freezing Drizzle-SN, -SHSN, -FZDZSN, FZRA, -FZDZ
Sat, Feb 23 Light Freezing Rain, Showers of Light Rain-FZRA, -SHRA
Sun, Feb 24 Light Rain, Patches of Fog-RA, BCFG
Tue, Feb 26 Showers of Light Snow-SHSN
Wed, Feb 27 Light Rain-RA
Thu, Feb 28 Light Snow, Showers of Light Snow, Light Rain, Showers of Light Rain-SN, -SHSN, -RA, -SHRA

Hours of Daylight and Twilight in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Hours of Daylight and Twilight in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFallSpringDec 222 hr, 59 minDec 222 hr, 59 minFeb 289 hr, 52 minFeb 289 hr, 52 min
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.

Sunrise & Sunset with Twilight and Daylight Saving Time in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Sunrise & Sunset with Twilight and Daylight Saving Time in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMFallSpring7:39 AM7:39 AMFeb 285:30 PMFeb 285:30 PM10:48 AM10:48 AMDec 191:48 PMDec 191:48 PMDec 12:16 PMDec 12:16 PM
The solar day over the course of the Winter of 2018. 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.

Solar Elevation and Azimuth in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Solar Elevation and Azimuth in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb12 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 AMFallSpring00010
northeastsouthwest
Solar elevation and azimuth in the the winter of 2018. 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).

Moon Rise, Set & Phases in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Moon Rise, Set & Phases in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMFallSpringNov 76:03 PMNov 76:03 PMNov 237:40 AMNov 237:40 AMDec 79:21 AMDec 79:21 AMDec 227:49 PMDec 227:49 PMJan 63:29 AMJan 63:29 AMJan 217:17 AMJan 217:17 AMFeb 411:04 PMFeb 411:04 PMFeb 195:54 PMFeb 195:54 PMMar 66:05 PMMar 66:05 PMMar 213:43 AMMar 213:43 AM4:20 PM4:20 PM9:37 AM9:37 AM2:56 PM2:56 PM10:43 AM10:43 AM2:49 PM2:49 PM9:33 AM9:33 AM3:10 PM3:10 PM5:11 PM5:11 PM7:14 AM7:14 AM
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.

Humidity Comfort Levels in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Humidity Comfort Levels in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The hourly reported humidity comfort level, categorized by dew point. The shaded overlays indicate night and civil twilight.

Wind Speed in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Wind Speed in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mphFallSpring
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Hourly Wind Speed in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
0 mph calm 1 mph light air 4 mph light breeze 8 mph gentle breeze 13 mph moderate breeze 18 mph fresh breeze 25 mph strong breeze 31 mph near gale 39 mph gale 47 mph strong gale 55 mph storm 64 mph violent storm 73 mph hurricane force
The hourly reported wind speed, color coded into bands according to the Beaufort scale. The shaded overlays indicate night and civil twilight.
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.

Growing Degree Days in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Growing Degree Days in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb0°F0°F200°F200°F400°F400°F600°F600°F800°F800°F1,000°F1,000°F1,200°F1,200°FFallSpring
The growing degree days accumulated from reported temperatures over the course of the winter (solid black line), placed over the average accumulation (faint line), with 25th to 75th and 10th to 90th percentile bands. Gaps indicate days without enough temperature reports to calculate a complete daily value; totals following gaps may therefore be understated.

Hourly Wind Direction in 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Hourly Wind Direction in 2018 at Kemi-Tornio AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Winter of 2018 at Kemi-Tornio Airport

History:202220212020201920182017201620152014
Atmospheric Pressure in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb28.5 inHg28.5 inHg29.0 inHg29.0 inHg29.5 inHg29.5 inHg30.0 inHg30.0 inHg30.5 inHg30.5 inHg31.0 inHg31.0 inHgFallSpring
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

Reports by Month

Reports by Month at Kemi-Tornio Airport1940195019601970198019902000201020201952195219531953195419541955195519561956195719571958195819591959196019601961196119621962196319631973197319741974197519751976197619771977197819781979197919801980198119811982198219831983198419841985198519861986198719871988198819891989199019901991199119921992199319931994199419951995199619961998199819991999200020002001200120022002200320032004200420052005200620062007200720082008200920092010201020112011201220122013201320142014201520152016201620172017201820182019201920202020202120212022202220232023202420242025202520262026
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in the Winter of 2018 at Kemi-Tornio Airport 2018

Number of Reports by Day in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb005050100100FallSpring
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Winter of 2018 at Kemi-Tornio Airport 2018

Reports by Hour in the Winter of 2018 at Kemi-Tornio AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
regularspecialcorrection
Indication of what types of reports were recorded during each hour.

This report graphically illustrates the historical weather reports recorded by the weather station at Kemi-Tornio Airport in the winter of 2018.

METAR Reports

Airport weather stations throughout the world routinely issue METAR weather reports . Such reports are used by pilots, air traffic controllers, meteorologists, climatologists, and other researchers. They are published via radio transmission and on the internet. We have been collecting and archiving published METAR reports since 2011, and have found third-party sources for archived reports from years prior to that.

ISD Reports

The Integrated Surface Database (ISD), maintained and published by NOAA's National Center for Environmental Information , consists of hourly and synoptic weather reports from a variety of sources. We use ISD data to complement and backfill for our METAR archive.

Other Data

The sources for the averages shown in the daily temperature chart are discussed in greater detail on this station's Averages Report.

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.

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.

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