468 CDUS41 KLWX 180524 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 124 AM EDT SUN SEP 18 2016 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 17 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 83 455 PM 96 1991 79 4 86 MINIMUM 68 515 AM 44 1923 62 6 63 AVERAGE 76 71 5 75 PRECIPITATION (IN) YESTERDAY 0.00 3.26 1876 0.14 -0.14 0.00 MONTH TO DATE 0.05 2.02 -1.97 0.27 SINCE SEP 1 0.05 2.02 -1.97 0.27 SINCE JAN 1 24.98 28.42 -3.44 33.16 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 2 -2 0 SINCE SEP 1 0 2 -2 0 SINCE JUL 1 0 2 -2 0 COOLING YESTERDAY 11 6 5 10 MONTH TO DATE 239 147 92 216 SINCE SEP 1 239 147 92 216 SINCE JAN 1 1825 1458 367 1890 .................................................................. WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 8.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 1100 PM LOWEST 55 100 PM AVERAGE 71 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 91 1927 1921 1898 MINIMUM TEMPERATURE (F) 62 45 1937 SUNRISE AND SUNSET SEPTEMBER 18 2016.....SUNRISE 653 AM EDT SUNSET 711 PM EDT SEPTEMBER 19 2016.....SUNRISE 654 AM EDT SUNSET 709 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$