Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
333
CXUS51 KLWX 011829
CLMDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
229 PM EDT THU MAY 01 2025
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...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 95 04/17/2002
04/18/1976
04/23/1960
LOW 15 04/01/1923
HIGHEST 84 04/29 86 -2 89
LOWEST 34 04/09 33 1 40
AVG. MAXIMUM 70.8 68.0 2.8 69.4
AVG. MINIMUM 52.5 48.4 4.1 51.6
MEAN 61.7 58.2 3.5 60.5
DAYS MAX >= 90 0 0.4 -0.4 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.5 -0.5 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.13 1889
MINIMUM 0.03 1985
TOTALS 3.03 3.21 -0.18 2.06
DAILY AVG. 0.10 0.11 -0.01 0.07
DAYS >= .01 10 10.8 -0.8 9
DAYS >= .10 3 6.4 -3.4 5
DAYS >= .50 3 2.2 0.8 1
DAYS >= 1.00 1 0.7 0.3 1
GREATEST
24 HR. TOTAL 1.51 04/11 TO 04/12 1.12
STORM TOTAL 1.42 1.03
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 5.5 1924
TOTALS 0.0 0.0 0.0 T
SINCE 7/1 14.9 13.7 1.2 MM
DAYS >= TRACE 0 0.0 0.0 1
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
DEGREE DAYS
HEATING TOTAL 161 236 -75 175
SINCE 7/1 3252 3703 -451 MM
COOLING TOTAL 67 32 35 46
SINCE 1/1 92 35 57 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.9
HIGHEST WIND SPEED/DIRECTION 37/320
HIGHEST GUST SPEED/DIRECTION 52/320
SKY COVER
AVERAGE SKY COVER 0.69
AVERAGE RH (PERCENT) 57
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 4
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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