312 CDUS46 KMTR 170855 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1255 AM PST WED DEC 17 2014 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 61 1232 PM 69 2011 55 6 64 MINIMUM 43 1156 PM 28 2006 36 7 34 AVERAGE 52 46 6 49 PRECIPITATION (IN) YESTERDAY 0.72 0.00 MONTH TO DATE 9.06 0.47 SINCE JUL 1 11.69 2.20 SINCE JAN 1 19.96 4.17 DEGREE DAYS HEATING YESTERDAY 13 16 MONTH TO DATE 167 390 SINCE DEC 1 167 390 SINCE JUL 1 640 1069 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 267 303 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SE (120) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 7.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 67 300 PM AVERAGE 84 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 66 2000 MINIMUM TEMPERATURE (F) 36 24 2008 SUNRISE AND SUNSET DECEMBER 17 2014......SUNRISE 720 AM PST SUNSET 451 PM PST DECEMBER 18 2014......SUNRISE 720 AM PST SUNSET 451 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$