818 CDUS41 KLWX 050522 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 122 AM EDT MON OCT 05 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 4 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 68 3:23 PM 90 2013 72 -4 78 MINIMUM 40 5:57 AM 26 1974 48 -8 51 AVERAGE 54 60 -6 65 PRECIPITATION (IN) YESTERDAY 0.00 0.81 1999 0.11 -0.11 0.00 MONTH TO DATE 0.09 0.42 -0.33 0.00 SINCE SEP 1 2.37 4.34 -1.97 0.41 SINCE JAN 1 36.59 32.34 4.25 30.25 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 SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 11 6 5 0 MONTH TO DATE 34 23 11 0 SINCE SEP 1 95 79 16 5 SINCE JUL 1 95 81 14 5 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 6 -6 42 SINCE SEP 1 135 147 -12 280 SINCE JAN 1 1387 1163 224 1515 ................................................................... WIND (MPH) HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (60) AVERAGE WIND SPEED 1.9 SKY COVER AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 96 3:00 AM LOWEST 40 3:00 PM AVERAGE 68 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 90 1967 2013 MINIMUM TEMPERATURE (F) 48 32 1970 SUNRISE AND SUNSET OCTOBER 5 2020.......SUNRISE 7:10 AM EDT SUNSET 6:45 PM EDT OCTOBER 6 2020.......SUNRISE 7:11 AM EDT SUNSET 6:44 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$