This report describes the typical weather at the Meacham (Meacham, Oregon, United States) weather station over the course of an average March. It is based on the historical records from 1998 to 2012. Earlier records are either unavailable or unreliable.
Meacham, Oregon has a continental climate with dry warm summers. The area within 25 mi of this station is covered by grasslands (54%), croplands (25%), and forests (19%).
The month of March is characterized by rising daily high temperatures, with daily highs increasing from 41°F to 46°F over the course of the month, exceeding 57°F or dropping below 33°F only one day in ten.
Over the course of March, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1:36 hours, implying an average day-over-day increase of 3.1 minutes.
The shortest day of the month is March 1 with 11:11 hours of daylight; the longest day is March 31 with 12:46 hours of daylight.
The earliest sunrise is at 6:15am on March 10; the latest sunset is at 7:21pm on March 31; the latest sunrise is at 7:13am on March 11; the earliest sunset is at 5:42pm 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 69% (partly cloudy) to 74% (partly cloudy). The trend is for the sky to be clearing with the median cloud cover decreasing by 5% from the start to the end of the month.
On March 16, a representative day, the sky is clear or mostly clear 37% of the time, partly cloudy 4% of the time, and mostly cloudy or overcast 52% of the time.
The average probability that some form of precipitation will be observed in a given day is 57%, with little variation over the course of the month.
Throughout March, the most common forms of precipitation are light snow, moderate snow, light rain, and moderate rain.
Light snow is the most severe precipitation observed during 52% of those days with precipitation. It is most likely around March 1, when it is observed during 31% of all days.
Moderate snow is the most severe precipitation observed during 16% of those days with precipitation. It is most likely around March 3, when it is observed during 10% of all days.
Light rain is the most severe precipitation observed during 14% of those days with precipitation. It is most likely around March 31, when it is observed during 10% of all days.
Moderate rain is the most severe precipitation observed during 11% of those days with precipitation. It is most likely around March 31, when it is observed during 8% of all days.
The likelihood of snow falling is highest around March 1, occurring in 44% of days.
Either snow rarely accumulates at this location in March or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 53% (mildly humid) to 94% (very humid) over the course of a typical March, rarely dropping below 31% (comfortable) and reaching as high as 100% (very humid).
The air is driest around March 30, at which time the relative humidity drops below 64% (mildly humid) three days out of four; it is most humid around March 16, rising above 91% (very 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 17°F (dry) to 33°F (dry) and is rarely below 5°F (dry) or above 39°F (dry).
Over the course of March typical wind speeds vary from 0 mph to 7 mph (calm to light breeze), rarely exceeding 9 mph (gentle breeze).
The highest average wind speed of 2 mph (light air) occurs around March 30, at which time the average daily maximum wind speed is 7 mph (light breeze).
The lowest average wind speed of 2 mph (light air) occurs around March 5, at which time the average daily maximum wind speed is 6 mph (light breeze).