Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
854
CXUS51 KLWX 011958
CLMDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
258 PM EST SAT FEB 01 2025
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...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 80 01/26/2024
LOW -14 01/01/1881
HIGHEST 64 01/29 65 -1 80
LOWEST 15 01/22 12 3 16
01/23
AVG. MAXIMUM 41.4 44.8 -3.4 46.8
AVG. MINIMUM 27.0 30.1 -3.1 32.8
MEAN 34.2 37.5 -3.3 39.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 4 4.1 -0.1 4
DAYS MIN <= 32 24 19.5 4.5 12
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.83 1937
MINIMUM 0.31 1955
TOTALS 1.95 2.86 -0.91 5.88
DAILY AVG. 0.06 0.09 -0.03 0.19
DAYS >= .01 7 9.7 -2.7 11
DAYS >= .10 3 5.7 -2.7 8
DAYS >= .50 2 2.1 -0.1 3
DAYS >= 1.00 0 0.7 -0.7 3
GREATEST
24 HR. TOTAL 0.81 01/06 TO 01/06 2.24
STORM TOTAL 0.81 2.24
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 31.5 1922
TOTALS 8.3 4.9 3.4 7.8
SINCE 7/1 8.4 6.7 1.7 MM
DAYS >= TRACE 7 2.8 4.2 7
DAYS >= 1.0 1 1.3 -0.3 2
GREATEST
SNOW DEPTH 6 01/07 5
DEGREE DAYS
HEATING TOTAL 946 854 92 775
SINCE 7/1 2077 2227 -150 MM
COOLING TOTAL 0 0 0 1
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.2
HIGHEST WIND SPEED/DIRECTION 35/280
HIGHEST GUST SPEED/DIRECTION 54/290
SKY COVER
AVERAGE SKY COVER 0.53
AVERAGE RH (PERCENT) 53
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 1 SNOW 4
LIGHT SNOW 7 SLEET 2
FOG 5 FOG W/VIS <= 1/4 MILE 1
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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