Climatological Report (Monthly) Issued by NWS Sterling, VA
000
CXUS51 KLWX 030927
CLMIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
427 AM EST SUN DEC 03 2023
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 84 11/01/1982
11/02/1971
LOW 9 11/24/1989
HIGHEST 81 11/09 75 6 81
LOWEST 19 11/29 19 0 19
AVG. MAXIMUM 59.4 56.5 2.9 60.2
AVG. MINIMUM 32.5 35.6 -3.1 38.1
MEAN 45.9 46.0 -0.1 49.1
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.1 -0.1 0
DAYS MIN <= 32 18 12.9 5.1 12
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.83 1963
MINIMUM 0.24 1981
TOTALS 2.49 3.13 -0.64 2.79
DAILY AVG. 0.08 0.10 -0.02 0.09
DAYS >= .01 4 8.6 -4.6 7
DAYS >= .10 2 5.4 -3.4 5
DAYS >= .50 1 2.1 -1.1 2
DAYS >= 1.00 1 0.9 0.1 1
GREATEST
24 HR. TOTAL 2.15 11/21 TO 11/21 1.20
STORM TOTAL 2.15 1.20
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 11.4 1967
TOTALS 0.0 0.3 -0.3 T
SINCE 7/1 T 0.3 -0.3 MM
DAYS >= TRACE 0 0.2 -0.2 1
DAYS >= 1.0 0 0.1 -0.1 0
GREATEST
SNOW DEPTH 0 0
DEGREE DAYS
HEATING TOTAL 565 570 -5 493
SINCE 7/1 771 899 -128 MM
COOLING TOTAL 0 1 -1 22
SINCE 1/1 1380 1231 149 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.0
HIGHEST WIND SPEED/DIRECTION 30/300
HIGHEST GUST SPEED/DIRECTION 44/320
SKY COVER
AVERAGE SKY COVER 0.42
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 6 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 2
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
EXCEPT FOR ONE DAY IN THE MONTH WHEN THERE WERE OVER 2 INCHES OF RAIN, MOST
OF THE MONTH WAS VERY DRY. SEVERE DROUGHT WAS DECLARED EARLY IN THE MONTH
DUE TO LARGE PRECIPITATION DEFICITS, BUT THE RAIN ON THE 21ST HELPED BRING
THE DROUGHT ONE CATEGORY DOWN. MANY FIRES DEVELOPED ACROSS THE STATE OF VIRGINIA
DUE TO SEVERE DROUGHT CONDITIONS.
$$