This report describes the typical weather at the General William J. Fox Airfield (Lancaster, California, United States) weather station over the course of an average March. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Lancaster, California has a cold semi-arid steppe climate. The area within 25 mi of this station is covered by shrublands (80%), forests (8%), grasslands (7%), lakes and rivers (2%), and croplands (2%).
The month of March is characterized by rising daily high temperatures, with daily highs increasing from 63Â°F to 68Â°F over the course of the month, exceeding 80Â°F or dropping below 52Â°F only one day in ten.
Over the course of March, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 1:05 hours, implying an average day-over-day increase of 2.1 minutes.
The shortest day of the month is March 1 with 11:28 hours of daylight; the longest day is March 31 with 12:34 hours of daylight.
The earliest sunrise is at 6:09am on March 10; the latest sunset is at 7:14pm on March 31; the latest sunrise is at 7:08am on March 11; the earliest sunset is at 5:50pm on March 1.
Daylight saving time (DST) starts at 3:00am on March 11, 2012, shifting sunrise and sunset to an hour later.
The median cloud cover ranges from 9% (clear) to 15% (mostly clear). The trend is for the sky to be clearing with the median cloud cover decreasing by 6% from the start to the end of the month.
On March 16, a representative day, the sky is clear or mostly clear 67% of the time, partly cloudy 3% of the time, and mostly cloudy or overcast 25% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around March 3, occurring in 21% of days. Precipitation is least likely around March 31, occurring in 15% of days.
Throughout March, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 51% of those days with precipitation. It is most likely around March 8, when it is observed during 11% of all days.
Moderate rain is the most severe precipitation observed during 33% of those days with precipitation. It is most likely around March 3, when it is observed during 7% of all days.
Either snow is exceptionally unlikely to fall at this location in March or this station does not reliably report precipitation types.
The relative humidity typically ranges from 27% (dry) to 79% (humid) over the course of a typical March, rarely dropping below 12% (very dry), or exceeding 93% (very humid).
The air is driest around March 31, at which time the relative humidity drops below 35% (comfortable) three days out of four; it is most humid around March 1, rising above 73% (humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical March, the dew point typically varies from 26Â°F (dry) to 40Â°F (dry) and is rarely below 13Â°F (dry) or above 47Â°F (dry).
Over the course of March typical wind speeds vary from 0 mph to 24 mph (calm to strong breeze), rarely exceeding 33 mph (high wind).
The highest average wind speed of 14 mph (moderate breeze) occurs around March 31, at which time the average daily maximum wind speed is 24 mph (strong breeze).
The lowest average wind speed of 11 mph (gentle breeze) occurs around March 1, at which time the average daily maximum wind speed is 21 mph (fresh breeze).