Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
000 CXUS51 KLWX 011854 CLMDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 254 PM EDT THU JUN 01 2023 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF MAY 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 99 05/31/1991 LOW 33 05/11/1906 HIGHEST 85 05/12 90 -5 96 LOWEST 47 05/04 44 3 43 05/05 AVG. MAXIMUM 74.8 76.5 -1.7 76.4 AVG. MINIMUM 55.3 58.0 -2.7 59.1 MEAN 65.0 67.2 -2.2 67.8 DAYS MAX >= 90 0 2.1 -2.1 2 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 10.69 1953 MINIMUM 0.41 1939 TOTALS 1.34 3.94 -2.60 6.36 DAILY AVG. 0.04 0.13 -0.09 0.21 DAYS >= .01 9 11.6 -2.6 14 DAYS >= .10 4 7.3 -3.3 11 DAYS >= .50 1 2.8 -1.8 4 DAYS >= 1.00 0 0.8 -0.8 3 GREATEST 24 HR. TOTAL 0.90 05/29 TO 05/30 1.94 STORM TOTAL 0.86 1.50 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.4 13.7 -13.3 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 59 63 -4 56 SINCE 7/1 3184 3765 -581 MM COOLING TOTAL 68 132 -64 151 SINCE 1/1 135 167 -32 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 7.7 HIGHEST WIND SPEED/DIRECTION 26/220 HIGHEST GUST SPEED/DIRECTION 39/230 SKY COVER AVERAGE SKY COVER 0.66 AVERAGE RH (PERCENT) 61 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 3 LIGHT RAIN 11 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 7 FOG W/VIS <= 1/4 MILE 0 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && MAY 2023 WAS THE NINTH DRIEST MAY ON RECORD AT REAGAN NATIONAL AIRPORT WITH ONLY 1.34 INCHES OF PRECIPITATION. $$