295 CDUS41 KLWX 100522 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1222 AM EST MON FEB 10 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 9 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 49 423 PM 69 2001 45 4 34 MINIMUM 24 737 AM -5 1967 25 -1 20 AVERAGE 37 35 2 27 PRECIPITATION (IN) YESTERDAY 0.00 1.07 1970 0.10 -0.10 0.00 MONTH TO DATE 1.18 0.89 0.29 0.16 SINCE DEC 1 7.48 6.53 0.95 9.88 SINCE JAN 1 4.51 3.57 0.94 4.12 SNOWFALL (IN) YESTERDAY 0.0 2.2 2010 0.3 -0.3 MONTH TO DATE 0.0 2.8 -2.8 SINCE JUL 1 2.9 14.1 -11.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 28 30 -2 38 MONTH TO DATE 180 275 -95 239 SINCE DEC 1 1784 2143 -359 2044 SINCE JUL 1 2647 3059 -412 3002 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 0 0 0 0 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 4.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 800 AM LOWEST 36 200 PM AVERAGE 60 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 45 63 2001 1990 MINIMUM TEMPERATURE (F) 25 -10 1979 SUNRISE AND SUNSET FEBRUARY 10 2020......SUNRISE 707 AM EST SUNSET 541 PM EST FEBRUARY 11 2020......SUNRISE 706 AM EST SUNSET 542 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$