607 CDUS46 KMTR 110826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1226 AM PST WED DEC 11 2019 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 56 211 PM 66 2017 56 0 57 MINIMUM 44 713 AM 21 2013 36 8 34 AVERAGE 50 46 4 46 PRECIPITATION (IN) YESTERDAY 0.15 0.01 MONTH TO DATE 2.90 0.64 SINCE OCT 1 3.71 1.90 SINCE JAN 1 26.37 14.67 DEGREE DAYS HEATING YESTERDAY 15 19 MONTH TO DATE 115 164 SINCE DEC 1 115 164 SINCE JUL 1 715 731 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 346 182 .................................................................. WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (70) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 5.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 700 AM LOWEST 77 1100 AM AVERAGE 89 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 66 2017 MINIMUM TEMPERATURE (F) 36 25 2013 SUNRISE AND SUNSET DECEMBER 11 2019......SUNRISE 716 AM PST SUNSET 449 PM PST DECEMBER 12 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. $$