699 CDUS41 KLWX 130534 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 134 AM EDT MON JUL 13 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 12 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1960 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 89 12:41 PM 97 1986 88 1 90 MINIMUM 64 5:25 AM 47 2002 66 -2 69 AVERAGE 77 77 0 80 PRECIPITATION (IN) YESTERDAY 0.01 2.61 1990 0.11 -0.10 0.00 MONTH TO DATE 1.56 1.42 0.14 1.54 SINCE JUN 1 6.77 5.40 1.37 3.98 SINCE JAN 1 23.29 22.22 1.07 23.86 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 T SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 5 15 -10 9 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 12 12 0 15 MONTH TO DATE 183 139 44 161 SINCE JUN 1 456 376 80 417 SINCE JAN 1 533 468 65 596 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 3.6 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 84 4:00 AM LOWEST 42 1:00 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 97 1966 1986 MINIMUM TEMPERATURE (F) 66 52 1978 SUNRISE AND SUNSET JULY 13 2020..........SUNRISE 5:56 AM EDT SUNSET 8:35 PM EDT JULY 14 2020..........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. $$