CDUS41 KLWX 130622 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 222 AM EDT MON JUL 13 2026 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 12 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 85 2:24 PM 97 1986 88 -3 90 MINIMUM 66 11:59 PM 47 2002 67 -1 72 AVERAGE 76 77 -1 81 PRECIPITATION (IN) YESTERDAY 0.23 2.61 1990 0.13 0.10 0.02 MONTH TO DATE 3.69 1.62 2.07 1.19 SINCE JUN 1 7.98 5.92 2.06 8.12 SINCE JAN 1 22.90 23.16 -0.26 22.04 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 JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 1 13 -12 15 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 11 12 -1 16 MONTH TO DATE 198 142 56 172 SINCE JUN 1 476 380 96 493 SINCE JAN 1 649 486 163 611 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (120) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 6.1 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 2:00 AM LOWEST 69 11:00 AM AVERAGE 83 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 97 1966 1986 MINIMUM TEMPERATURE (F) 67 52 1978 SUNRISE AND SUNSET JULY 13 2026..........SUNRISE 5:55 AM EDT SUNSET 8:36 PM EDT JULY 14 2026..........SUNRISE 5:56 AM EDT SUNSET 8:35 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$