319 CDUS46 KMTR 120841 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1241 AM PST SAT DEC 12 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 58 217 PM 64 2014 56 2 64 2005 MINIMUM 39 801 AM 25 2013 36 3 50 AVERAGE 49 46 3 57 PRECIPITATION (IN) YESTERDAY 0.04 3.17 MONTH TO DATE 0.32 6.80 SINCE OCT 1 1.73 9.05 SINCE JAN 1 5.83 17.70 DEGREE DAYS HEATING YESTERDAY 16 8 MONTH TO DATE 155 86 SINCE DEC 1 155 86 SINCE JUL 1 696 559 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 378 267 .................................................................. WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 7.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 800 AM LOWEST 55 100 PM AVERAGE 78 .......................................................... 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 2015......SUNRISE 716 AM PST SUNSET 449 PM PST DECEMBER 13 2015......SUNRISE 717 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. $$