684 CDUS46 KMTR 150826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1226 AM PST SAT DEC 15 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2018... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2018 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 62 1239 PM 63 2017 56 6 63 MINIMUM 49 716 AM 24 2008 36 13 27 AVERAGE 56 46 10 45 PRECIPITATION (IN) YESTERDAY 0.14 0.00 MONTH TO DATE 0.78 0.01 SINCE OCT 1 2.04 2.98 SINCE JAN 1 14.81 31.16 DEGREE DAYS HEATING YESTERDAY 9 20 MONTH TO DATE 222 230 SINCE DEC 1 222 230 SINCE JUL 1 789 758 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 182 530 .................................................................. WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (130) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 9.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 900 PM LOWEST 66 200 AM AVERAGE 83 .......................................................... 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 2018......SUNRISE 719 AM PST SUNSET 450 PM PST DECEMBER 16 2018......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. $$