This report describes the typical weather at the Dyess Air Force Base (Abilene, Texas, United States) weather station over the course of an average February 2. It is based on the historical records from 1993 to 2012. Earlier records are either unavailable or unreliable.
Abilene, Texas has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by grasslands (96%).
The temperature typically varies from 38°F to 57°F and is rarely below 26°F or above 73°F.
The coolest hours of the day are from 1am to 9am with the coldest at 7am, at which time the temperature is below 46°F three days out of four.
The warmest hours of the day are from 1pm to 6pm with the hottest at 4pm, at which time the temperature is above 48°F three days out of four.
The day has gained half its heat by 11am and lost it again by 8pm.
On February 2 the Sun rises at 7:33am and sets at 6:13pm.
Solar noon is at 12:53pm.
For reference, on the longest day of the year the Sun rises at 6:32am and sets at 8:50pm, while on the shortest day of the year it rises at 7:36am and sets at 5:38pm.
Astronomical twilight begins and ends 83 minutes before sunrise and after sunset at 6:09am and 7:36pm, respectively.
Nautical twilight begins and ends 55 minutes before sunrise and after sunset at 6:38am and 7:08pm, respectively.
Civil twilight begins and ends 26 minutes before sunrise and after sunset at 7:07am and 6:39pm, respectively.
Solar twilight begins and ends 35 minutes after sunrise and before sunset at 8:08am and 5:38pm, respectively.
The median cloud cover ranges from 26% (mostly clear) to 56% (partly cloudy).
At 1am, the clearest time of the day, the sky is clear, mostly clear, or partly cloudy 56% of the time, and overcast or mostly cloudy 29% of the time.
At noon, the cloudiest time of the day, the sky is overcast, mostly cloudy, or partly cloudy 52% of the time, and clear or mostly clear 38% of the time.
The sky is typically clearing in earnest by 8pm.
The clouds have typically started forming in earnest by 7am.
There is a 26% chance that precipitation will be observed at some point during the day.
The average measured liquid-equivalent quantity of precipitation is 0.019". Among only those days for which there is at least some measured precipitation, the average is 0.437" and the total rarely exceeds 0.487".
When precipitation does occur it is most often in the form of slight rain (41% of days with precipitation have at worst slight rain), drizzle (18%), thunderstorms (12%), slight snow (12%), moderate snow (7%), and moderate rain (5%).
Precipitation is most likely around 7am and least likely around 9pm.
Either snow is exceptionally unlikely to fall at this location on February 2 or this station does not reliably report precipitation types.
The relative humidity typically ranges from 47% (comfortable) to 75% (humid), rarely dropping below 19% (dry), or exceeding 97% (very humid).
The air is driest at 3pm, at which time the relative humidity is less than 62% (mildly humid) three days out of four; it is most humid at 6am, exceeding 63% (mildly humid) three days out of four.
The dew point ranges from 31°F to 33°F with an average of 32°F.
For reference, comfortable indoor conditions should have a relative humidity between 30% and 50% with a dew point of less than 65°F.
Sustained wind speeds typically vary from 8 mph to 13 mph (gentle breeze to moderate breeze) over the course of the day.
The peak sustained wind speed typically occurs around 2pm and is rarely outside the range 6 mph to 20 mph (light breeze to fresh breeze).
The wind is most calm around 7pm, rarely exceeding 14 mph (moderate breeze).
The wind is most often out of the south (23% of the time) and north (14% of the time). The wind is least often out of the east (4% of the time) and north east (4% of the time).