961 CDUS46 KMTR 080845 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1245 AM PST TUE DEC 8 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 61 236 PM 70 2001 57 4 61 MINIMUM 47 933 PM 22 2009 36 11 50 AVERAGE 54 46 8 56 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.14 3.48 SINCE OCT 1 1.55 5.73 SINCE JAN 1 5.65 14.38 DEGREE DAYS HEATING YESTERDAY 11 9 MONTH TO DATE 108 55 SINCE DEC 1 108 55 SINCE JUL 1 649 528 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 378 267 .................................................................. WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 2.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 78 200 PM AVERAGE 89 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 65 2014 MINIMUM TEMPERATURE (F) 36 19 2009 SUNRISE AND SUNSET DECEMBER 8 2015......SUNRISE 713 AM PST SUNSET 449 PM PST DECEMBER 9 2015......SUNRISE 714 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. $$