Climatological Report (Monthly)
Issued by NWS Sterling, VA

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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 .............................................................. 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. $$

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