842 CDUS46 KMTR 120953 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 153 AM PST MON DEC 12 2016 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 52 412 PM 64 2014 56 -4 58 2005 MINIMUM 38 253 AM 25 2013 36 2 39 AVERAGE 45 46 -1 49 PRECIPITATION (IN) YESTERDAY 0.00 0.04 MONTH TO DATE 0.93 0.32 SINCE OCT 1 5.68 1.73 SINCE JAN 1 20.35 5.83 DEGREE DAYS HEATING YESTERDAY 20 16 MONTH TO DATE 175 155 SINCE DEC 1 175 155 SINCE JUL 1 679 696 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 186 378 .................................................................. WIND (MPH) RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (180) HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 1.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 96 100 AM LOWEST 77 200 PM AVERAGE 87 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 60 2010 MINIMUM TEMPERATURE (F) 36 26 2013 SUNRISE AND SUNSET DECEMBER 12 2016......SUNRISE 717 AM PST SUNSET 449 PM PST DECEMBER 13 2016......SUNRISE 718 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. $$