127 CDUS46 KMTR 230840 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1239 AM PST WED DEC 23 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 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 62 1250 PM 68 1999 55 7 63 MINIMUM 47 1159 PM 19 1998 36 11 47 AVERAGE 55 45 10 55 PRECIPITATION (IN) YESTERDAY 0.05 0.00 MONTH TO DATE 2.66 10.14 SINCE OCT 1 4.07 12.39 SINCE JAN 1 8.17 21.04 DEGREE DAYS HEATING YESTERDAY 10 10 MONTH TO DATE 357 232 SINCE DEC 1 357 232 SINCE JUL 1 898 705 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 378 267 .................................................................. WIND (MPH) RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION W (260) HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 16.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 78 1200 PM AVERAGE 89 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 66 2004 MINIMUM TEMPERATURE (F) 36 20 2011 SUNRISE AND SUNSET DECEMBER 23 2015......SUNRISE 723 AM PST SUNSET 453 PM PST DECEMBER 24 2015......SUNRISE 723 AM PST SUNSET 454 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$