448 CDUS46 KMTR 220825 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1225 AM PST MON DEC 22 2014 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 65 210 PM 71 1999 55 10 63 MINIMUM 52 1159 PM 21 1998 36 16 31 AVERAGE 59 45 14 47 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 10.14 0.47 SINCE JUL 1 12.77 2.20 SINCE JAN 1 21.04 4.17 DEGREE DAYS HEATING YESTERDAY 6 18 MONTH TO DATE 222 481 SINCE DEC 1 222 481 SINCE JUL 1 695 1160 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 267 303 .................................................................. WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 7.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 100 AM LOWEST 87 200 PM AVERAGE 94 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 68 1999 MINIMUM TEMPERATURE (F) 36 19 1998 SUNRISE AND SUNSET DECEMBER 22 2014......SUNRISE 723 AM PST SUNSET 453 PM PST DECEMBER 23 2014......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. $$