974 CDUS41 KLWX 092131 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 530 PM EDT TUE OCT 9 2018 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 9 2018... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1960 TO 2018 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) TODAY MAXIMUM 82 324 PM 94 2007 70 12 87 MINIMUM 69 115 AM 26 2001 46 23 69 AVERAGE 76 58 18 78 PRECIPITATION (IN) TODAY 0.00 2.53 1976 0.11 -0.11 0.52 MONTH TO DATE T 0.95 -0.95 0.61 SINCE SEP 1 7.36 4.87 2.49 2.36 SINCE JAN 1 50.62 32.87 17.75 35.36 SNOWFALL (IN) TODAY 0.0 MM MM 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 8 -8 0 MONTH TO DATE 0 58 -58 25 SINCE SEP 1 13 114 -101 65 SINCE JUL 1 13 116 -103 66 COOLING TODAY 11 1 10 13 MONTH TO DATE 79 11 68 41 SINCE SEP 1 320 152 168 196 SINCE JAN 1 1504 1168 336 1257 .................................................................. WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 3.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 63 300 PM AVERAGE 82 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 87 2017 MINIMUM TEMPERATURE (F) 46 31 1978 1972 SUNRISE AND SUNSET OCTOBER 9 2018.......SUNRISE 713 AM EDT SUNSET 640 PM EDT OCTOBER 10 2018.......SUNRISE 714 AM EDT SUNSET 639 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$