


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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068 CDUS46 KMTR 080829 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT WED OCT 08 2025 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 7 2025... 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) YESTERDAY MAXIMUM 88 3:13 PM 99 2024 78 10 99 MINIMUM 48 7:06 AM 37 2009 48 0 58 AVERAGE 68 63 5 79 PRECIPITATION (IN) YESTERDAY 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 YESTERDAY 0 0 MONTH TO DATE 5 0 SINCE SEP 1 7 26 SINCE JUL 1 52 39 COOLING YESTERDAY 3 14 MONTH TO DATE 9 72 SINCE SEP 1 99 130 SINCE JAN 1 210 431 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (190) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 5.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 11:00 PM LOWEST 23 2:00 PM AVERAGE 57 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 91 2016 MINIMUM TEMPERATURE (F) 47 40 2010 SUNRISE AND SUNSET OCTOBER 8 2025.......SUNRISE 7:12 AM PDT SUNSET 6:41 PM PDT OCTOBER 9 2025.......SUNRISE 7:13 AM PDT SUNSET 6:39 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$