463 CDUS46 KMTR 220826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1226 AM PST SUN DEC 22 2019 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2019 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 60 353 PM 71 1999 55 5 59 MINIMUM 40 1257 AM 21 1998 36 4 40 AVERAGE 50 45 5 50 PRECIPITATION (IN) YESTERDAY 0.00 0.13 MONTH TO DATE 3.48 1.50 SINCE OCT 1 4.29 2.76 SINCE JAN 1 26.95 15.53 DEGREE DAYS HEATING YESTERDAY 15 15 MONTH TO DATE 276 316 SINCE DEC 1 276 316 SINCE JUL 1 876 883 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 346 182 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (80) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 4.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 100 AM LOWEST 51 300 PM AVERAGE 76 .......................................................... 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 2019......SUNRISE 723 AM PST SUNSET 453 PM PST DECEMBER 23 2019......SUNRISE 723 AM PST SUNSET 453 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$