Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
307
CXUS51 KLWX 061435
CLMIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
935 AM EST THU NOV 06 2025
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...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 96 10/02/2019
LOW 15 10/24/1969
HIGHEST 84 10/06 83 1 83
10/07
LOWEST 30 10/25 27 3 31
AVG. MAXIMUM 69.3 67.8 1.5 72.0
AVG. MINIMUM 44.8 45.3 -0.5 44.4
MEAN 57.0 56.6 0.4 58.2
DAYS MAX >= 90 0 0.2 -0.2 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 2.4 -1.4 1
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.22 2005
MINIMUM T 1963
TOTALS 2.13 3.65 -1.52 0.13
DAILY AVG. 0.07 0.12 -0.05 0.00
DAYS >= .01 11 8.1 2.9 2
DAYS >= .10 6 5.1 0.9 0
DAYS >= .50 2 2.4 -0.4 0
DAYS >= 1.00 0 1.2 -1.2 0
GREATEST
24 HR. TOTAL 1.16 10/29 TO 10/30 0.10
STORM TOTAL 0.58 0.09
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 1.3 1979
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
DEGREE DAYS
HEATING TOTAL 251 284 -33 224
SINCE 7/1 260 329 -69 MM
COOLING TOTAL 12 22 -10 19
SINCE 1/1 1330 1230 100 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.1
HIGHEST WIND SPEED/DIRECTION 32/290
HIGHEST GUST SPEED/DIRECTION 46/300
SKY COVER
AVERAGE SKY COVER 0.48
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 3
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 2
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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