657 CDUS41 KLWX 200521 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 120 AM EDT SUN MAY 20 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 19 2012... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2012 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 84 421 PM 96 1997 76 8 71 1911 MINIMUM 56 533 AM 43 1976 57 -1 58 AVERAGE 70 67 3 65 PRECIPITATION (IN) YESTERDAY 0.00 3.15 1900 0.13 -0.13 0.12 MONTH TO DATE 2.36 2.40 -0.04 1.59 SINCE MAR 1 5.30 8.94 -3.64 9.19 SINCE JAN 1 9.82 14.37 -4.55 13.56 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 2.0 14.5 -12.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 2 -2 0 MONTH TO DATE 4 62 -58 47 SINCE MAR 1 496 900 -404 866 SINCE JUL 1 3045 4008 -963 3984 COOLING YESTERDAY 5 4 1 0 MONTH TO DATE 73 46 27 26 SINCE MAR 1 123 72 51 70 SINCE JAN 1 123 72 51 70 .................................................................. WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (140) AVERAGE WIND SPEED 3.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 72 500 AM LOWEST 30 100 PM AVERAGE 51 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 96 1996 MINIMUM TEMPERATURE (F) 58 42 2002 SUNRISE AND SUNSET MAY 20 2012...........SUNRISE 551 AM EDT SUNSET 819 PM EDT MAY 21 2012...........SUNRISE 551 AM EDT SUNSET 819 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$