Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
589 CXUS51 KLWX 011318 CLMIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 918 AM EDT SAT JUN 01 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF MAY 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 97 05/29/1969 LOW 28 05/07/1970 HIGHEST 91 05/02 89 2 87 05/22 LOWEST 44 05/13 35 9 39 AVG. MAXIMUM 77.7 75.0 2.7 74.6 AVG. MINIMUM 57.5 53.0 4.5 49.6 MEAN 67.6 64.0 3.6 62.1 DAYS MAX >= 90 2 1.4 0.6 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.2 -0.2 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.26 2009 MINIMUM 0.34 2007 TOTALS 4.22 4.72 -0.50 1.48 DAILY AVG. 0.14 0.15 -0.01 0.05 DAYS >= .01 16 12.7 3.3 8 DAYS >= .10 10 8.0 2.0 4 DAYS >= .50 3 3.6 -0.6 0 DAYS >= 1.00 0 0.9 -0.9 0 GREATEST 24 HR. TOTAL 1.21 05/03 TO 05/04 1.03 STORM TOTAL 0.84 0.43 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL T 1963 TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 11.7 21.0 -9.3 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 48 115 -67 110 SINCE 7/1 3691 4593 -902 MM COOLING TOTAL 136 84 52 29 SINCE 1/1 183 106 77 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 5.3 HIGHEST WIND SPEED/DIRECTION 33/300 33/300 HIGHEST GUST SPEED/DIRECTION 45/290 SKY COVER AVERAGE SKY COVER 0.65 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 7 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 8 LIGHT RAIN 19 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 20 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. $$