091 CDUS41 KLWX 180527 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1226 AM EST SUN JAN 18 2015 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 17 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 40 330 PM 74 1943 43 -3 49 MINIMUM 28 801 AM -5 1982 28 0 31 AVERAGE 34 36 -2 40 PRECIPITATION (IN) YESTERDAY 0.00 1.09 1994 0.09 -0.09 0.00 MONTH TO DATE 1.65 1.53 0.12 2.37 SINCE DEC 1 5.15 4.58 0.57 7.90 SINCE JAN 1 1.65 1.53 0.12 2.37 SNOWFALL (IN) YESTERDAY 0.0 5.5 1935 0.2 -0.2 MONTH TO DATE 2.6 2.6 0.0 SINCE JUL 1 2.6 5.4 -2.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 31 29 2 25 MONTH TO DATE 517 493 24 495 SINCE DEC 1 1166 1279 -113 1191 SINCE JUL 1 1773 1974 -201 1899 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 20 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 8.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 70 1100 PM LOWEST 40 200 PM AVERAGE 55 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 69 1990 MINIMUM TEMPERATURE (F) 28 -6 1893 SUNRISE AND SUNSET JANUARY 18 2015.......SUNRISE 724 AM EST SUNSET 513 PM EST JANUARY 19 2015.......SUNRISE 723 AM EST SUNSET 515 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$