218 CDUS46 KMTR 150828 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1228 AM PST MON DEC 15 2014 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 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 52 128 PM 61 2006 56 -4 60 MINIMUM 43 1226 AM 24 2008 36 7 25 AVERAGE 48 46 2 43 PRECIPITATION (IN) YESTERDAY 0.10 0.00 MONTH TO DATE 7.17 0.47 SINCE JUL 1 9.80 2.20 SINCE JAN 1 18.07 4.17 DEGREE DAYS HEATING YESTERDAY 17 22 MONTH TO DATE 139 354 SINCE DEC 1 139 354 SINCE JUL 1 612 1033 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 267 303 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (80) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 11.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG 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) 55 64 1998 MINIMUM TEMPERATURE (F) 36 26 2005 SUNRISE AND SUNSET DECEMBER 15 2014......SUNRISE 719 AM PST SUNSET 450 PM PST DECEMBER 16 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. $$