650 CDUS41 KLWX 200533 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 133 AM EDT WED APR 20 2022 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 19 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 52 2:46 PM 91 2002 68 -16 64 MINIMUM 38 4:37 AM 27 1990 44 -6 47 2001 AVERAGE 45 56 -11 56 PRECIPITATION (IN) YESTERDAY T 1.26 2019 0.11 -0.11 T MONTH TO DATE 2.22 2.09 0.13 1.51 SINCE MAR 1 4.14 5.59 -1.45 3.78 SINCE JAN 1 10.34 11.14 -0.80 9.94 SNOWFALL (IN) YESTERDAY T R 0.0 2001 0.0 0.0 0.0 2002 MONTH TO DATE T 0.1 -0.1 T SINCE MAR 1 3.5 4.0 -0.5 T SINCE JUL 1 15.8 21.0 -5.2 12.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 20 9 11 9 MONTH TO DATE 246 235 11 204 SINCE MAR 1 769 882 -113 719 SINCE JUL 1 3843 4392 -549 3912 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 8 8 0 5 SINCE MAR 1 11 10 1 9 SINCE JAN 1 11 10 1 9 ................................................................... WIND (MPH) HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 12.8 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 1:00 AM LOWEST 36 4:00 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 88 1976 1985 MINIMUM TEMPERATURE (F) 45 28 1974 SUNRISE AND SUNSET APRIL 20 2022.........SUNRISE 6:26 AM EDT SUNSET 7:52 PM EDT APRIL 21 2022.........SUNRISE 6:25 AM EDT SUNSET 7:53 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$