


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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713 CDUS46 KMTR 150833 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 133 AM PDT TUE JUL 15 2025 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 14 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 77 3:32 PM 95 2009 79 -2 77 MINIMUM 52 6:13 AM 47 2011 55 -3 56 AVERAGE 65 67 -2 67 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.00 SINCE OCT 1 16.08 19.88 SINCE JAN 1 8.10 13.84 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 23 0 SINCE JUN 1 87 37 SINCE JUL 1 23 0 COOLING YESTERDAY 0 2 MONTH TO DATE 8 95 SINCE JUN 1 16 151 SINCE JAN 1 33 161 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 9.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 100 5:00 AM LOWEST 50 3:00 PM AVERAGE 75 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 96 1998 MINIMUM TEMPERATURE (F) 55 44 2004 SUNRISE AND SUNSET JULY 15 2025..........SUNRISE 5:58 AM PDT SUNSET 8:32 PM PDT JULY 16 2025..........SUNRISE 5:59 AM PDT SUNSET 8:31 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$