Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
506
CXUS51 KLWX 022026
CLMIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
426 PM EDT SAT NOV 02 2024
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...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 96 10/02/2019
LOW 15 10/24/1969
HIGHEST 83 10/31 83 0 86
LOWEST 31 10/28 27 4 34
AVG. MAXIMUM 72.0 67.8 4.2 72.5
AVG. MINIMUM 44.4 45.3 -0.9 47.8
MEAN 58.2 56.6 1.6 60.2
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 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.22 2005
MINIMUM T 1963
TOTALS 0.13 3.65 -3.52 0.67
DAILY AVG. 0.00 0.12 -0.12 0.02
DAYS >= .01 2 8.1 -6.1 7
DAYS >= .10 0 5.1 -5.1 2
DAYS >= .50 0 2.4 -2.4 0
DAYS >= 1.00 0 1.2 -1.2 0
GREATEST
24 HR. TOTAL 0.10 10/01 TO 10/02 0.34
STORM TOTAL 0.09 0.32
(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 224 284 -60 190
SINCE 7/1 238 329 -91 MM
COOLING TOTAL 19 22 -3 49
SINCE 1/1 1570 1230 340 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.3
HIGHEST WIND SPEED/DIRECTION 28/290
HIGHEST GUST SPEED/DIRECTION 38/290
SKY COVER
AVERAGE SKY COVER 0.30
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 1
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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