Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 190037
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
537 PM PDT WED JUN 18 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 18 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 81 4:22 PM 103 2017 79 2 82
MINIMUM 51 6:05 AM 43 2014 52 -1 46
AVERAGE 66 66 0 64
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 0 1
MONTH TO DATE 54 23
SINCE JUN 1 54 23
SINCE JUL 1 2705 2455
COOLING
TODAY 1 0
MONTH TO DATE 1 35
SINCE JUN 1 1 35
SINCE JAN 1 18 45
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 44 3:00 PM
AVERAGE 69
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 2008
MINIMUM TEMPERATURE (F) 52 43 2005
SUNRISE AND SUNSET
JUNE 18 2025..........SUNRISE 5:46 AM PDT SUNSET 8:35 PM PDT
JUNE 19 2025..........SUNRISE 5:46 AM PDT SUNSET 8:35 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$