


Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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946 CDUS41 KLWX 120626 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 226 AM EDT MON MAY 12 2025 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 11 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 80 1:58 PM 94 1896 75 5 67 1911 MINIMUM 56 4:59 AM 33 1906 57 -1 48 AVERAGE 68 66 2 58 PRECIPITATION (IN) YESTERDAY 0.00 2.63 2008 0.12 -0.12 0.24 MONTH TO DATE 2.21 1.37 0.84 1.96 SINCE MAR 1 7.73 8.08 -0.35 8.91 SINCE JAN 1 12.52 13.56 -1.04 16.20 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 0.0 2.0 -2.0 T SINCE JUL 1 14.9 13.7 1.2 8.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 2 -2 7 MONTH TO DATE 9 33 -24 27 SINCE MAR 1 521 813 -292 601 SINCE JUL 1 3261 3736 -475 3153 COOLING YESTERDAY 3 3 0 0 MONTH TO DATE 51 28 23 55 SINCE MAR 1 143 63 80 103 SINCE JAN 1 143 63 80 104 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 5.8 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 78 11:00 PM LOWEST 35 11:00 AM AVERAGE 57 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 93 1881 1914 MINIMUM TEMPERATURE (F) 57 37 1913 SUNRISE AND SUNSET MAY 12 2025...........SUNRISE 5:58 AM EDT SUNSET 8:11 PM EDT MAY 13 2025...........SUNRISE 5:57 AM EDT SUNSET 8:12 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$