598 CDUS41 KLWX 150523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT THU OCT 15 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 14 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 75 3:59 PM 86 1975 69 6 76 MINIMUM 43 6:34 AM 23 1988 44 -1 39 AVERAGE 59 56 3 58 PRECIPITATION (IN) YESTERDAY 0.00 1.61 1995 0.11 -0.11 0.00 MONTH TO DATE 1.32 1.48 -0.16 0.10 SINCE SEP 1 3.60 5.40 -1.80 0.51 SINCE JAN 1 37.82 33.40 4.42 30.35 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 6 9 -3 7 MONTH TO DATE 82 101 -19 42 SINCE SEP 1 143 157 -14 47 SINCE JUL 1 143 159 -16 47 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 4 16 -12 48 SINCE SEP 1 139 157 -18 286 SINCE JAN 1 1391 1173 218 1521 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 5.3 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 5:00 AM LOWEST 33 2:00 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 88 1989 MINIMUM TEMPERATURE (F) 44 28 1987 SUNRISE AND SUNSET OCTOBER 15 2020.......SUNRISE 7:20 AM EDT SUNSET 6:30 PM EDT OCTOBER 16 2020.......SUNRISE 7:21 AM EDT SUNSET 6:29 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$