338 CDUS41 KLWX 180520 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 120 AM EDT THU OCT 18 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 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 69 244 PM 86 1938 68 1 69 1908 MINIMUM 46 630 AM 33 1893 50 -4 57 1886 AVERAGE 58 59 -1 63 PRECIPITATION (IN) YESTERDAY 0.00 2.52 1932 0.10 -0.10 0.00 MONTH TO DATE 0.74 1.87 -1.13 1.88 SINCE SEP 1 5.03 5.59 -0.56 10.72 SINCE JAN 1 23.74 31.99 -8.25 38.02 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 7 7 0 2 MONTH TO DATE 87 82 5 64 SINCE SEP 1 92 106 -14 78 SINCE JUL 1 92 106 -14 78 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 33 29 4 14 SINCE SEP 1 262 231 31 222 SINCE JAN 1 1963 1542 421 1924 .................................................................. WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 4.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 300 AM LOWEST 42 200 PM AVERAGE 64 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 85 1938 1881 MINIMUM TEMPERATURE (F) 50 34 1876 SUNRISE AND SUNSET OCTOBER 18 2012.......SUNRISE 721 AM EDT SUNSET 625 PM EDT OCTOBER 19 2012.......SUNRISE 722 AM EDT SUNSET 623 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$