381 CDUS46 KMTR 110845 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1245 AM PST THU DEC 11 2014 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2014 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 63R 1159 PM 63 2012 56 7 53 MINIMUM 53 1024 AM 21 2013 36 17 21 AVERAGE 58 46 12 37 PRECIPITATION (IN) YESTERDAY 0.15 0.00 MONTH TO DATE 3.63 0.47 SINCE JUL 1 6.26 2.20 SINCE JAN 1 14.53 4.17 DEGREE DAYS HEATING YESTERDAY 7 28 MONTH TO DATE 78 260 SINCE DEC 1 78 260 SINCE JUL 1 551 939 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 267 303 .................................................................. WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (100) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (130) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 10.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 78 1100 PM AVERAGE 89 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 64 2005 MINIMUM TEMPERATURE (F) 36 25 2013 SUNRISE AND SUNSET DECEMBER 11 2014......SUNRISE 716 AM PST SUNSET 449 PM PST DECEMBER 12 2014......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. $$