


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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224 CDUS46 KMTR 240044 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 544 PM PDT MON JUN 23 2025 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 23 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 MM MM 96 2018 79 MM 81 MINIMUM 50 4:00 AM 44 2003 53 -3 54 AVERAGE MM 66 MM 68 PRECIPITATION (IN) TODAY 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 TODAY MM 0 MONTH TO DATE 60 36 SINCE JUN 1 60 36 SINCE JUL 1 2711 2468 COOLING TODAY MM 3 MONTH TO DATE 2 42 SINCE JUN 1 2 42 SINCE JAN 1 19 52 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 5.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 96 4:00 AM LOWEST 75 8:00 AM AVERAGE 86 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 88 2003 MINIMUM TEMPERATURE (F) 53 44 2007 SUNRISE AND SUNSET JUNE 23 2025..........SUNRISE 5:47 AM PDT SUNSET 8:36 PM PDT JUNE 24 2025..........SUNRISE 5:47 AM PDT SUNSET 8:36 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$