779 CDUS46 KMTR 290826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1226 AM PST TUE DEC 29 2015 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 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 49 359 PM 64 1999 54 -5 55 MINIMUM 31 827 PM 24 2013 36 -5 34 AVERAGE 40 45 -5 45 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 2.76 10.14 SINCE OCT 1 4.17 12.39 SINCE JAN 1 8.27 21.04 DEGREE DAYS HEATING YESTERDAY 25 20 MONTH TO DATE 498 340 SINCE DEC 1 498 340 SINCE JUL 1 1039 813 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 378 267 .................................................................. WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (40) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 4.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1000 PM LOWEST 65 1000 AM AVERAGE 83 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 54 64 2013 MINIMUM TEMPERATURE (F) 36 27 2009 SUNRISE AND SUNSET DECEMBER 29 2015......SUNRISE 725 AM PST SUNSET 457 PM PST DECEMBER 30 2015......SUNRISE 725 AM PST SUNSET 458 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$