657 CDUS46 KMTR 090026 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 426 PM PST SUN DEC 8 2019 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2019... VALID TODAY AS OF 0400 PM LOCAL TIME. 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) TODAY MAXIMUM 62 339 PM 65 2014 57 5 62 MINIMUM 50 650 AM 19 2009 36 14 36 AVERAGE 56 46 10 49 PRECIPITATION (IN) TODAY 0.02 0.00 MONTH TO DATE 2.74 0.63 SINCE OCT 1 3.55 1.89 SINCE JAN 1 26.21 14.66 DEGREE DAYS HEATING TODAY 9 16 MONTH TO DATE 78 128 SINCE DEC 1 78 128 SINCE JUL 1 678 695 COOLING TODAY 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 SW (210) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 4.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 700 AM LOWEST 72 100 PM AVERAGE 84 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 70 2012 MINIMUM TEMPERATURE (F) 36 19 2013 SUNRISE AND SUNSET DECEMBER 8 2019......SUNRISE 713 AM PST SUNSET 449 PM PST DECEMBER 9 2019......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. $$