920 CDUS41 KLWX 020523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT FRI SEP 02 2022 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 1 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 89 3:59 PM 98 1962 84 5 80 1980 MINIMUM 58 3:50 AM 49 1970 63 -5 66 1976 AVERAGE 74 73 1 73 PRECIPITATION (IN) YESTERDAY 0.00 2.76 2006 0.12 -0.12 1.93 MONTH TO DATE 0.00 0.12 -0.12 1.93 SINCE SEP 1 0.00 0.12 -0.12 1.93 SINCE JAN 1 27.50 29.34 -1.84 26.52 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 MM 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 9 8 1 8 MONTH TO DATE 9 8 1 8 SINCE SEP 1 9 8 1 8 SINCE JAN 1 1187 1064 123 1260 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 3.4 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 5:00 AM LOWEST 30 1:00 PM AVERAGE 59 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 99 1980 MINIMUM TEMPERATURE (F) 63 44 1970 SUNRISE AND SUNSET SEPTEMBER 2 2022.....SUNRISE 6:40 AM EDT SUNSET 7:39 PM EDT SEPTEMBER 3 2022.....SUNRISE 6:40 AM EDT SUNSET 7:37 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$