CDUS46 KMTR 250038 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 438 PM PST WED DEC 24 2025 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 24 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 64 1:54 AM 65 2013 56 8 61 MINIMUM 53 9:03 AM 19 1998 37 16 40 AVERAGE 59 47 12 51 PRECIPITATION (IN) TODAY 0.47 0.68 MONTH TO DATE 1.71 2.26 SINCE OCT 1 5.17 6.52 SINCE JAN 1 13.49 20.36 DEGREE DAYS HEATING TODAY 6 14 MONTH TO DATE 378 286 SINCE DEC 1 378 286 SINCE JUL 1 853 826 COOLING TODAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 211 444 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (180) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 9.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 3:00 AM LOWEST 67 2:00 PM AVERAGE 82 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 65 2013 MINIMUM TEMPERATURE (F) 37 24 1998 SUNRISE AND SUNSET DECEMBER 24 2025......SUNRISE 7:24 AM PST SUNSET 4:54 PM PST DECEMBER 25 2025......SUNRISE 7:24 AM PST SUNSET 4:55 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$