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Average Weather On January 14 For Anglesey, United Kingdom
Location
This report describes the typical weather at the Valley/Anglesey Airport (Anglesey, United Kingdom) weather station over the course of an average January 14. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Anglesey has a mild humid temperate climate with warm summers and no dry season. The area within 25 mi of this station is covered by oceans and seas (69%), croplands (26%), and grasslands (4%).
Temperature
The temperature typically varies from 42°F to 45°F and is rarely below 34°F or above 50°F.
Temperature
Average hourly temperature (black) with percentil bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).
The coolest hours of the day are from 9pm to 10am with the coldest at 7am, at which time the temperature is below 47°F three days out of four.
The warmest hours of the day are from 11am to 4pm with the hottest at 2pm, at which time the temperature is above 43°F three days out of four.
The day has gained half its heat by 11am and lost it again by 5pm.
Temperature Bands
The average fraction of time spent in various temperature bands: frigid (below 15°F), freezing (15°F to 32°F), cold (32°F to 50°F), cool (50°F to 65°F), comfortable (65°F to 75°F), warm (75°F to 85°F), hot (85°F to 100°F) and sweltering (above 100°F).
Sun
On January 14 the Sun rises at 8:26am and sets at 4:27pm.
Solar noon is at 12:27pm.
For reference, on the longest day of the year the Sun rises at 4:50am and sets at 9:49pm, while on the shortest day of the year it rises at 8:31am and sets at 4:01pm.
Astronomical twilight begins and ends 126 minutes before sunrise and after sunset at 6:19am and 6:34pm, respectively.
Nautical twilight begins and ends 85 minutes before sunrise and after sunset at 7:02am and 5:53pm, respectively.
Civil twilight begins and ends 40 minutes before sunrise and after sunset at 7:45am and 5:08pm, respectively.
Solar twilight begins and ends 61 minutes after sunrise and before sunset at 9:28am and 3:25pm, respectively.
Solar Elevation
Elevation of the Sun above (positive) or below (negative) the horizon (black line). Yellow and gray fills indicate day and night, respectively. Light gray lines are the corresponding curves for the winter and summer equinoxes.
Clouds
The median cloud cover is 89% (mostly cloudy) and does not vary substantially over the course of the day.
On average, the sky is clear or mostly clear 20% of the time, partly cloudy 14% of the time, and mostly cloudy or overcast 59% of the time.
Median Cloud Cover
Median hourly cloud coverage fraction (black line) with percentile bands (inner band from 40th to 60th percentile, outer band from 25th to 75th percentile).
Cloud Cover Types
The fraction of time spent in each of the five sky cover categories. From top (most blue) to bottom (most gray), the categories are clear, mostly clear, partly cloudy, mostly cloudy, and overcast. Pink indicates missing data. Outside the United States clear skies are often reported ambiguously, leading them to be lumped in with the missing data.
Precipitation
There is a 72% chance that precipitation will be observed at some point during the day.
Probability of Precipitation
The fraction of days in which various types of precipitation are observed. If more than one type of precipitation is reported in a given day, the more severe precipitation is counted. For example, if light rain is observed in the same day as a thunderstorm, that day counts towards the thunderstorm totals. The order of severity is from the top down in this graph, with the most severe at the bottom.
When precipitation does occur it is most often in the form of moderate rain (73% of days with precipitation have at worst moderate rain), moderate snow (7%), and slight rain (6%).
Precipitation is most likely around 10am and least likely around 11pm.
Types of Precipitation
Relative frequency of various types of precipitation over the course of a typical January 14.
Snow
Either snow is exceptionally unlikely to fall at this location on January 14 or this station does not reliably report precipitation types.
Humidity
The relative humidity typically ranges from 80% (humid) to 85% (humid), rarely dropping below 65% (mildly humid), or exceeding 97% (very humid).
The air is driest at 2pm, at which time the relative humidity is less than 89% (very humid) three days out of four; it is most humid at 5am, exceeding 79% (humid) three days out of four.
Relative Humidity
Average hourly humidity (black line) with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).
Dew Point
The dew point ranges from 38°F to 39°F with an average of 38°F.
For reference, comfortable indoor conditions should have a relative humidity between 30% and 50% with a dew point of less than 65°F.
Dew Point
Average hourly dew point (black line) with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).
Wind
The wind speed is 18 mph (fresh breeze) on average and is rarely outside the range 5 mph to 31 mph (light breeze to high wind). The wind speed does not vary substantially during the course of the day.
Wind Speed
Average hourly wind speed (black line) with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).
The wind is most often out of the south (22% of the time), south west (21% of the time), and west (17% of the time).
Wind Directions
The fraction of time spent with the wind blowing from the various directions over the entire day. Values do not sum to 100% because the wind direction is undefined when the wind speed is zero.
Wind Directions Over Day
The fraction of time spent with the wind blowing from the various directions on an hourly basis. Values do not sum to 100% because the wind direction is undefined when the wind speed is zero.