Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
372 CXUS51 KLWX 012359 CLMIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 759 PM EDT SUN SEP 01 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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 .............................................................. TEMPERATURE (F) RECORD HIGH 104 08/20/1983 LOW 38 08/29/1982 HIGHEST 101 08/02 95 6 97 LOWEST 49 08/22 50 -1 54 AVG. MAXIMUM 87.9 86.3 1.6 88.1 AVG. MINIMUM 65.9 65.2 0.7 66.4 MEAN 76.9 75.7 1.2 77.2 DAYS MAX >= 90 12 9.3 2.7 12 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.71 1984 MINIMUM 0.44 1998 TOTALS 5.13 3.53 1.60 1.85 DAILY AVG. 0.17 0.11 0.06 0.06 DAYS >= .01 9 9.3 -0.3 8 DAYS >= .10 7 5.6 1.4 4 DAYS >= .50 3 2.2 0.8 1 DAYS >= 1.00 2 1.1 0.9 0 GREATEST 24 HR. TOTAL 1.92 08/29 TO 08/29 0.93 STORM TOTAL 1.92 0.93 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL MM MM 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 2 1 1 0 SINCE 7/1 2 0 2 MM COOLING TOTAL 378 334 44 386 SINCE 1/1 1414 1056 358 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 5.9 HIGHEST WIND SPEED/DIRECTION 32/290 HIGHEST GUST SPEED/DIRECTION 48/260 SKY COVER AVERAGE SKY COVER 0.53 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 10 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 6 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 0 HAZE 5 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$