783 CDUS46 KMTR 150832 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1232 AM PST SUN DEC 15 2019 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2019 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 59 204 PM 63 2017 56 3 62 MINIMUM 43 1140 PM 24 2008 36 7 49 AVERAGE 51 46 5 56 PRECIPITATION (IN) YESTERDAY T 0.14 MONTH TO DATE 3.05 0.78 SINCE OCT 1 3.86 2.04 SINCE JAN 1 26.52 14.81 DEGREE DAYS HEATING YESTERDAY 14 9 MONTH TO DATE 158 222 SINCE DEC 1 158 222 SINCE JUL 1 758 789 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 346 182 .................................................................. WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 10.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 100 500 AM LOWEST 55 200 PM AVERAGE 78 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 64 1998 MINIMUM TEMPERATURE (F) 36 26 2005 SUNRISE AND SUNSET DECEMBER 15 2019......SUNRISE 718 AM PST SUNSET 450 PM PST DECEMBER 16 2019......SUNRISE 719 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. $$