015 CDUS46 KMTR 140935 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 135 AM PST SUN DEC 14 2014 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2014 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 56 248 PM 61 2004 56 0 56 MINIMUM 38 624 AM 24 2013 36 2 24 2007 AVERAGE 47 46 1 40 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 7.07 0.47 SINCE JUL 1 9.70 2.20 SINCE JAN 1 17.97 4.17 DEGREE DAYS HEATING YESTERDAY 18 25 MONTH TO DATE 122 332 SINCE DEC 1 122 332 SINCE JUL 1 595 1011 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 267 303 .................................................................. WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (60) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 3.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 77 300 PM AVERAGE 89 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 61 2006 MINIMUM TEMPERATURE (F) 36 24 2008 SUNRISE AND SUNSET DECEMBER 14 2014......SUNRISE 718 AM PST SUNSET 450 PM PST DECEMBER 15 2014......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. $$