690 CDUS41 KLWX 100522 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 122 AM EDT SAT SEP 10 2022 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 9 2022... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2022 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 83 3:11 PM 98 2016 82 1 80 MINIMUM 58 5:08 AM 40 1986 61 -3 60 AVERAGE 71 71 0 70 PRECIPITATION (IN) YESTERDAY 0.00 1.40 2018 0.13 -0.13 0.43 MONTH TO DATE 1.91 1.10 0.81 2.43 SINCE SEP 1 1.91 1.10 0.81 2.43 SINCE JAN 1 29.41 30.32 -0.91 27.02 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 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 0 0 0 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 6 7 -1 5 MONTH TO DATE 96 68 28 55 SINCE SEP 1 96 68 28 55 SINCE JAN 1 1274 1124 150 1307 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70) AVERAGE WIND SPEED 4.4 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 6:00 AM LOWEST 37 5:00 PM AVERAGE 67 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 99 1983 MINIMUM TEMPERATURE (F) 60 43 1981 SUNRISE AND SUNSET SEPTEMBER 10 2022.....SUNRISE 6:47 AM EDT SUNSET 7:26 PM EDT SEPTEMBER 11 2022.....SUNRISE 6:48 AM EDT SUNSET 7:24 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$