436 CDUS46 KMTR 110837 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1237 AM PST SUN DEC 11 2016 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 60 433 PM 63 2014 56 4 62 2012 MINIMUM 43 1101 PM 21 2013 36 7 47 AVERAGE 52 46 6 55 PRECIPITATION (IN) YESTERDAY 0.25 0.12 MONTH TO DATE 0.93 0.28 SINCE OCT 1 5.68 1.69 SINCE JAN 1 20.35 5.79 DEGREE DAYS HEATING YESTERDAY 13 10 MONTH TO DATE 155 139 SINCE DEC 1 155 139 SINCE JUL 1 659 680 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 186 378 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 10.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 500 AM LOWEST 80 500 PM AVERAGE 87 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 64 2014 2005 MINIMUM TEMPERATURE (F) 36 25 2013 SUNRISE AND SUNSET DECEMBER 11 2016......SUNRISE 716 AM PST SUNSET 449 PM PST DECEMBER 12 2016......SUNRISE 717 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. $$