891 CDUS46 KMTR 140826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1226 AM PST FRI DEC 14 2018 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 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 61R 242 PM 61 2004 56 5 60 MINIMUM 35 608 AM 24 2013 36 -1 28 2007 AVERAGE 48 46 2 44 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.64 0.01 SINCE OCT 1 1.90 2.98 SINCE JAN 1 14.67 31.16 DEGREE DAYS HEATING YESTERDAY 17 21 MONTH TO DATE 213 210 SINCE DEC 1 213 210 SINCE JUL 1 780 738 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 182 530 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (70) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60) AVERAGE WIND SPEED 8.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 85 100 AM LOWEST 39 200 PM AVERAGE 62 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 63 2017 MINIMUM TEMPERATURE (F) 36 24 2008 SUNRISE AND SUNSET DECEMBER 14 2018......SUNRISE 718 AM PST SUNSET 450 PM PST DECEMBER 15 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. $$