Climatological Report (Daily)
Issued by NWS

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488
CDUS46 KMTR 280047
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
547 PM PDT THU MAR 27 2025

...................................

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 27 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         62  10:15 AM  80    2009  65     -3       57
  MINIMUM         54  12:31 PM  30    2020  42     12       44
  AVERAGE         58                        54      4       51

PRECIPITATION (IN)
  TODAY            0.10                                      0.40
  MONTH TO DATE    1.42                                      2.07
  SINCE OCT 1     15.37                                     17.74
  SINCE JAN 1      7.39                                     11.70

DEGREE DAYS
 HEATING
  TODAY            7                                        14
  MONTH TO DATE  352                                       319
  SINCE MAR 1    352                                       319
  SINCE JUL 1   2207                                      1967

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    2                                         0
  SINCE MAR 1      2                                         0
  SINCE JAN 1      2                                         0
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    14.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          12:00 AM
 LOWEST     70           3:00 PM
 AVERAGE    82

..........................................................


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        78      2017
 MINIMUM TEMPERATURE (F)   42        32      1999


SUNRISE AND SUNSET
MARCH 27 2025.........SUNRISE   7:01 AM PDT   SUNSET   7:28 PM PDT
MARCH 28 2025.........SUNRISE   7:00 AM PDT   SUNSET   7:29 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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