016 CDUS46 KMTR 100837 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1237 AM PST TUE DEC 10 2019 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 53 625 PM 70 2012 56 -3 54 MINIMUM 41 625 AM 19 2013 36 5 41 AVERAGE 47 46 1 48 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 2.75 0.63 SINCE OCT 1 3.56 1.89 SINCE JAN 1 26.22 14.66 DEGREE DAYS HEATING YESTERDAY 18 17 MONTH TO DATE 100 145 SINCE DEC 1 100 145 SINCE JUL 1 700 712 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 346 182 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (330) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 3.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 100 AM LOWEST 83 600 PM AVERAGE 92 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 66 2017 MINIMUM TEMPERATURE (F) 36 21 2013 SUNRISE AND SUNSET DECEMBER 10 2019......SUNRISE 715 AM PST SUNSET 449 PM PST DECEMBER 11 2019......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. $$