797 CDUS46 KMTR 110835 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1230 AM PST FRI DEC 11 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 62 219 PM 63 2014 56 6 63 2012 MINIMUM 47 929 PM 21 2013 36 11 53 AVERAGE 55 46 9 58 PRECIPITATION (IN) YESTERDAY 0.12 0.15 MONTH TO DATE 0.28 3.63 SINCE OCT 1 1.69 5.88 SINCE JAN 1 5.79 14.53 DEGREE DAYS HEATING YESTERDAY 10 7 MONTH TO DATE 139 78 SINCE DEC 1 139 78 SINCE JUL 1 680 551 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 378 267 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 11.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 200 AM LOWEST 55 1200 PM AVERAGE 78 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 64 2014 2005 MINIMUM TEMPERATURE (F) 36 25 2013 SUNRISE AND SUNSET DECEMBER 11 2015......SUNRISE 715 AM PST SUNSET 449 PM PST DECEMBER 12 2015......SUNRISE 716 AM PST SUNSET 449 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$