Climatological Report (Daily)
Issued by NWS

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688
CDUS46 KMTR 260833
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT SAT APR 26 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 25 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         61   3:21 PM  87    2004  70     -9       67
  MINIMUM         46  11:59 PM  32    2009  45      1       51
  AVERAGE         54                        57     -3       59

PRECIPITATION (IN)
  YESTERDAY        T                                          T
  MONTH TO DATE    0.23                                      0.96
  SINCE OCT 1     15.85                                     19.19
  SINCE JAN 1      7.87                                     13.15

DEGREE DAYS
 HEATING
  YESTERDAY       11                                         6
  MONTH TO DATE  222                                       219
  SINCE MAR 1    623                                       590
  SINCE JUL 1   2478                                      2238

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


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    10.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           4:00 AM
 LOWEST     62          11:00 AM
 AVERAGE    74

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        91      2004
 MINIMUM TEMPERATURE (F)   45        32      2009


SUNRISE AND SUNSET
APRIL 26 2025.........SUNRISE   6:18 AM PDT   SUNSET   7:56 PM PDT
APRIL 27 2025.........SUNRISE   6:17 AM PDT   SUNSET   7:57 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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