475 CDUS46 KMTR 130845 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1245 AM PST TUE DEC 13 2016 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 57 159 PM 60 2010 56 1 55 MINIMUM 42 204 AM 26 2013 36 6 35 AVERAGE 50 46 4 45 PRECIPITATION (IN) YESTERDAY 0.00 T 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 15 20 MONTH TO DATE 190 175 SINCE DEC 1 190 175 SINCE JUL 1 694 716 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 186 378 .................................................................. WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (30) HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 2.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 92 100 AM LOWEST 61 1200 PM AVERAGE 77 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 61 2004 MINIMUM TEMPERATURE (F) 36 24 2013 2007 SUNRISE AND SUNSET DECEMBER 13 2016......SUNRISE 718 AM PST SUNSET 450 PM PST DECEMBER 14 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. $$