Average Weather at Heath Point Meteorological Aeronautical Presentation System Canada

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At Heath Point Meteorological Aeronautical Presentation System, the summers are cool, windy, and partly cloudy and the winters are freezing, snowy, extremely windy, and mostly cloudy. Over the course of the year, the temperature typically varies from 8°F to 63°F and is rarely below -6°F or above 67°F.

The warm season lasts for 3.0 months, from June 24 to September 23, with an average daily high temperature above 55°F. The hottest day of the year is August 7, with an average high of 63°F and low of 55°F.

The cold season lasts for 3.4 months, from December 13 to March 25, with an average daily high temperature below 30°F. The coldest day of the year is February 4, with an average low of 8°F and high of 22°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.

At Heath Point Meteorological Aeronautical Presentation System, 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 at Heath Point Meteorological Aeronautical Presentation System begins around June 10 and lasts for 5.2 months, ending around November 16. On September 4, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 55% of the time, and overcast or mostly cloudy 45% of the time.

The cloudier part of the year begins around November 16 and lasts for 6.8 months, ending around June 10. On January 13, the cloudiest day of the year, the sky is overcast or mostly cloudy 73% of the time, and clear, mostly clear, or partly cloudy 27% of the time.

Heath Point Meteorological Aeronautical Presentation System does not experience significant seasonal variation in the frequency of wet days (i.e., those with greater than 0.04 inches of liquid or liquid-equivalent precipitation). The frequency ranges from 28% to 37%, with an average value of 33%.

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 at Heath Point Meteorological Aeronautical Presentation System changes throughout the year.

Rain alone is the most common for 7.9 months, from April 15 to December 11. The highest chance of a day with rain alone is 37% on July 24.

Snow alone is the most common for 3.6 months, from December 15 to April 5. The highest chance of a day with snow alone is 23% on February 21.

Mixed snow and rain is the most common for 2.0 weeks, from April 5 to April 15 and from December 11 to December 15. The highest chance of a day with mixed snow and rain is 14% on April 9.

Rainfall

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. Heath Point Meteorological Aeronautical Presentation System experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 11 months, from March 1 to January 30, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around October 23, with an average total accumulation of 3.9 inches.

The rainless period of the year lasts for 1.1 months, from January 30 to March 1. The least rain falls around February 12, with an average total accumulation of 0.4 inches.

Snowfall

We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Heath Point Meteorological Aeronautical Presentation System experiences extreme seasonal variation in monthly liquid-equivalent snowfall.

The snowy period of the year lasts for 6.5 months, from October 31 to May 15, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around March 3, with an average total liquid-equivalent accumulation of 2.1 inches.

The snowless period of the year lasts for 5.5 months, from May 15 to October 31. The least snow falls around August 16, with an average total liquid-equivalent accumulation of 0.0 inches.

The length of the day at Heath Point Meteorological Aeronautical Presentation System varies extremely over the course of the year. In 2017, the shortest day is December 21, with 8 hours, 13 minutes of daylight; the longest day is June 21, with 16 hours, 13 minutes of daylight.

The earliest sunrise is at 4:01 AM on June 16, and the latest sunrise is 2 hours, 60 minutes later at 7:01 AM on December 31. The earliest sunset is at 3:08 PM on December 11, and the latest sunset is 5 hours, 7 minutes later at 8:15 PM on June 25.

Daylight saving time (DST) is observed at Heath Point Meteorological Aeronautical Presentation System during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.

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 at Heath Point Meteorological Aeronautical Presentation System, 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.

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 at Heath Point Meteorological Aeronautical Presentation System experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 6.4 months, from September 30 to April 12, with average wind speeds of more than 9.2 miles per hour. The windiest day of the year is January 8, with an average hourly wind speed of 11.5 miles per hour.

The calmer time of year lasts for 5.6 months, from April 12 to September 30. The calmest day of the year is July 21, with an average hourly wind speed of 7.0 miles per hour.

The predominant average hourly wind direction at Heath Point Meteorological Aeronautical Presentation System varies throughout the year.

The wind is most often from the north for 1.4 months, from March 15 to April 27, with a peak percentage of 33% on March 19. The wind is most often from the south for 2.8 months, from April 27 to July 20, with a peak percentage of 39% on July 16. The wind is most often from the west for 7.8 months, from July 20 to March 15, with a peak percentage of 44% on January 1.

Heath Point Meteorological Aeronautical Presentation System is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.4 months, from July 8 to September 19, with an average temperature above 54°F. The day of the year with the warmest water is August 12, with an average temperature of 60°F.

The time of year with cooler water lasts for 5.3 months, from December 3 to May 12, with an average temperature below 37°F. The day of the year with the coolest water is March 16, with an average temperature of 31°F.

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 3.1 months, from May 18 to August 22, with an average daily incident shortwave energy per square meter above 5.2 kWh. The brightest day of the year is June 24, with an average of 6.4 kWh.

The darker period of the year lasts for 3.6 months, from October 27 to February 15, with an average daily incident shortwave energy per square meter below 2.0 kWh. The darkest day of the year is December 25, with an average of 0.8 kWh.

For the purposes of this report, the geographical coordinates of Heath Point Meteorological Aeronautical Presentation System are 49.083 deg latitude, -61.700 deg longitude, and 0 ft elevation.

The topography within 2 miles of Heath Point Meteorological Aeronautical Presentation System is essentially flat, with a maximum elevation change of 59 feet and an average elevation above sea level of 3 feet. Within 10 miles is essentially flat (308 feet). Within 50 miles contains only modest variations in elevation (850 feet).

The area within 2 miles of Heath Point Meteorological Aeronautical Presentation System is covered by water (88%), within 10 miles by water (76%) and trees (12%), and within 50 miles by water (87%).

This report illustrates the typical weather at Heath Point Meteorological Aeronautical Presentation System, 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

Heath Point Meteorological Aeronautical Presentation System has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back are Natashquan Airport, Cape Whittle, and Havre Saint-Pierre Airport.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , 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 aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.