675 CDUS41 KLWX 180521 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1221 AM EST SAT FEB 18 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR FEBRUARY 17 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 54 418 PM 79 1976 48 6 72 MINIMUM 39 721 AM 5 1958 31 8 43 1904 AVERAGE 47 39 8 58 PRECIPITATION (IN) YESTERDAY 0.00 0.91 1982 0.09 -0.09 0.00 MONTH TO DATE 0.50 1.60 -1.10 0.92 SINCE DEC 1 7.59 7.46 0.13 4.95 SINCE JAN 1 2.69 4.41 -1.72 3.17 SNOWFALL (IN) YESTERDAY 0.0 8.5 1900 0.2 -0.2 MONTH TO DATE 0.3 3.1 -2.8 SINCE JUL 1 2.0 11.5 -9.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 18 26 -8 7 MONTH TO DATE 376 460 -84 440 SINCE DEC 1 1735 2145 -410 2338 SINCE JUL 1 2330 2840 -510 2910 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 23 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 9.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 100 AM LOWEST 32 300 PM AVERAGE 66 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 48 77 2011 MINIMUM TEMPERATURE (F) 31 3 1903 SUNRISE AND SUNSET FEBRUARY 18 2012......SUNRISE 656 AM EST SUNSET 548 PM EST FEBRUARY 19 2012......SUNRISE 655 AM EST SUNSET 550 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$