444 CDUS41 KLWX 090522 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 122 AM EDT FRI OCT 09 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 8 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 71 2:04 PM 92 2007 71 0 67 MINIMUM 45 11:59 PM 30 2001 46 -1 56 AVERAGE 58 59 -1 62 PRECIPITATION (IN) YESTERDAY 0.00 2.79 2005 0.10 -0.10 0.04 MONTH TO DATE 0.15 0.84 -0.69 0.05 SINCE SEP 1 2.43 4.76 -2.33 0.46 SINCE JAN 1 36.65 32.76 3.89 30.30 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 7 7 0 3 MONTH TO DATE 57 50 7 12 SINCE SEP 1 118 106 12 17 SINCE JUL 1 118 108 10 17 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 1 10 -9 48 SINCE SEP 1 136 151 -15 286 SINCE JAN 1 1388 1167 221 1521 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 7.3 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 11:00 PM LOWEST 36 5:00 PM AVERAGE 61 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 94 2007 MINIMUM TEMPERATURE (F) 46 26 2001 SUNRISE AND SUNSET OCTOBER 9 2020.......SUNRISE 7:14 AM EDT SUNSET 6:39 PM EDT OCTOBER 10 2020.......SUNRISE 7:15 AM EDT SUNSET 6:38 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$