


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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186 CDUS46 KMTR 110031 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 531 PM PDT FRI OCT 10 2025 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 10 2025... VALID TODAY AS OF 0500 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 72 2:46 PM 92 1999 77 -5 73 MINIMUM 43 6:12 AM 39 2005 47 -4 49 AVERAGE 58 62 -4 61 PRECIPITATION (IN) TODAY 0.00 0.00 MONTH TO DATE 0.08 0.00 SINCE OCT 1 0.08 0.00 SINCE JAN 1 8.40 13.84 DEGREE DAYS HEATING TODAY 7 4 MONTH TO DATE 19 8 SINCE SEP 1 21 34 SINCE JUL 1 66 47 COOLING TODAY 0 0 MONTH TO DATE 9 77 SINCE SEP 1 99 135 SINCE JAN 1 210 436 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 6.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 3:00 AM LOWEST 41 1:00 PM AVERAGE 71 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 89 2004 MINIMUM TEMPERATURE (F) 47 38 2003 SUNRISE AND SUNSET OCTOBER 10 2025.......SUNRISE 7:14 AM PDT SUNSET 6:38 PM PDT OCTOBER 11 2025.......SUNRISE 7:14 AM PDT SUNSET 6:36 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$