Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
332
CXUS51 KLWX 011829
CLMBWI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
229 PM EDT THU MAY 01 2025
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...THE BALTIMORE MD 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 94 04/25/1960
04/23/1960
04/20/1941
LOW 15 04/01/1923
HIGHEST 84 04/29 85 -1 92
04/30
LOWEST 29 04/09 29 0 35
AVG. MAXIMUM 68.7 66.5 2.2 68.0
AVG. MINIMUM 47.4 43.6 3.8 47.7
MEAN 58.0 55.0 3.0 57.8
DAYS MAX >= 90 0 0.4 -0.4 1
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 2.4 -1.4 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.70 1889
MINIMUM 0.39 1985
TOTALS 2.34 3.39 -1.05 3.38
DAILY AVG. 0.08 0.11 -0.03 0.11
DAYS >= .01 9 11.2 -2.2 11
DAYS >= .10 5 6.2 -1.2 5
DAYS >= .50 1 2.4 -1.4 3
DAYS >= 1.00 1 0.8 0.2 1
GREATEST
24 HR. TOTAL 1.32 04/11 TO 04/12 1.22
STORM TOTAL 1.20 1.21
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 9.4 1924
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 12.7 19.3 -6.6 MM
DAYS >= TRACE 0 0.1 -0.1 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
DEGREE DAYS
HEATING TOTAL 229 318 -89 247
SINCE 7/1 4038 4365 -327 MM
COOLING TOTAL 28 19 9 39
SINCE 1/1 47 21 26 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.5
HIGHEST WIND SPEED/DIRECTION 38/270
HIGHEST GUST SPEED/DIRECTION 51/290
SKY COVER
AVERAGE SKY COVER 0.68
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 2
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 0
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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