740 CDUS46 KMTR 050826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1226 AM PST FRI DEC 5 2014 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 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 65R 144 PM 64 2002 57 8 53 MINIMUM 50 759 PM 22 2004 36 14 24 AVERAGE 58 47 11 39 PRECIPITATION (IN) YESTERDAY 0.55 0.00 MONTH TO DATE 2.89 0.00 SINCE JUL 1 5.52 1.73 SINCE JAN 1 13.79 3.70 DEGREE DAYS HEATING YESTERDAY 7 26 MONTH TO DATE 31 80 SINCE DEC 1 31 80 SINCE JUL 1 504 759 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 267 303 .................................................................. WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 3.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 400 AM LOWEST 78 100 PM AVERAGE 89 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 65 2011 MINIMUM TEMPERATURE (F) 36 16 2013 SUNRISE AND SUNSET DECEMBER 5 2014......SUNRISE 711 AM PST SUNSET 449 PM PST DECEMBER 6 2014......SUNRISE 712 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. $$