266 CDUS41 KLWX 150525 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1224 AM EST WED JAN 15 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 14 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 48 724 PM 72 1995 42 6 34 MINIMUM 38 130 AM 5 1970 24 14 15 AVERAGE 43 33 10 25 PRECIPITATION (IN) YESTERDAY 0.08 1.79 2005 0.09 -0.01 T MONTH TO DATE 1.45 1.16 0.29 1.13 SINCE DEC 1 4.42 4.12 0.30 6.89 SINCE JAN 1 1.45 1.16 0.29 1.13 SNOWFALL (IN) YESTERDAY 0.0 0.3 1978 0.2 -0.2 MONTH TO DATE 2.0 2.7 -0.7 SINCE JUL 1 2.6 6.7 -4.1 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 22 32 -10 40 MONTH TO DATE 313 448 -135 384 SINCE DEC 1 1113 1330 -217 1188 SINCE JUL 1 1976 2246 -270 2146 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 9 HIGHEST WIND DIRECTION SE (140) HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SE (140) AVERAGE WIND SPEED 2.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 200 PM LOWEST 85 100 AM AVERAGE 93 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 68 2007 MINIMUM TEMPERATURE (F) 24 -7 1964 SUNRISE AND SUNSET JANUARY 15 2020.......SUNRISE 727 AM EST SUNSET 511 PM EST JANUARY 16 2020.......SUNRISE 727 AM EST SUNSET 512 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$