662 CDUS46 KMTR 130841 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1241 AM PST SUN DEC 13 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 55 345 PM 60 2010 56 -1 54 MINIMUM 35 525 AM 26 2013 36 -1 40 AVERAGE 45 46 -1 47 PRECIPITATION (IN) YESTERDAY T 0.27 MONTH TO DATE 0.32 7.07 SINCE OCT 1 1.73 9.32 SINCE JAN 1 5.83 17.97 DEGREE DAYS HEATING YESTERDAY 20 18 MONTH TO DATE 175 104 SINCE DEC 1 175 104 SINCE JUL 1 716 577 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 13 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 4.0 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 100 500 AM LOWEST 66 100 PM AVERAGE 83 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 61 2004 MINIMUM TEMPERATURE (F) 36 24 2013 2007 SUNRISE AND SUNSET DECEMBER 13 2015......SUNRISE 717 AM PST SUNSET 450 PM PST DECEMBER 14 2015......SUNRISE 718 AM PST SUNSET 450 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$