178 CDUS41 KLWX 160525 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 125 AM EDT MON MAR 16 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 15 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 5:13 PM 84 2012 55 -6 77 MINIMUM 32 11:59 PM -1 1993 33 -1 53 AVERAGE 41 44 -3 65 PRECIPITATION (IN) YESTERDAY 0.06 0.89 1967 0.11 -0.05 0.00 MONTH TO DATE 0.58 1.47 -0.89 1.80 SINCE MAR 1 0.58 1.47 -0.89 1.80 SINCE JAN 1 7.15 6.89 0.26 9.26 SNOWFALL (IN) YESTERDAY 0.0 1.4 1999 0.1 -0.1 0.0 MONTH TO DATE T 1.8 -1.8 1.6 SINCE MAR 1 T 1.8 -1.8 1.6 SINCE JUL 1 2.9 20.7 -17.8 26.5 DEGREE DAYS HEATING YESTERDAY 24 21 3 0 MONTH TO DATE 237 353 -116 368 SINCE MAR 1 237 353 -116 368 SINCE JUL 1 3381 3943 -562 3873 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 5.0 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 4:00 AM LOWEST 56 5:00 PM AVERAGE 75 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 81 1990 MINIMUM TEMPERATURE (F) 33 16 1969 SUNRISE AND SUNSET MARCH 16 2020.........SUNRISE 7:19 AM EDT SUNSET 7:18 PM EDT MARCH 17 2020.........SUNRISE 7:17 AM EDT SUNSET 7:19 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$