Climatological Report (Daily)
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973
CDUS46 KMTR 050826
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT FRI JUN 05 2026

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JUNE 4 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         78   4:46 PM  97    2024  77      1       74
  MINIMUM         51   6:20 AM  41    2001  50      1       50
  AVERAGE         65                        64      1       62

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.00                                      0.00
  SINCE OCT 1     17.03                                     16.08
  SINCE JAN 1      9.60                                      8.10

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         3
  MONTH TO DATE    4                                        10
  SINCE JUN 1      4                                        10
  SINCE JUL 1   2321                                      2661

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    4                                         0
  SINCE JUN 1      4                                         0
  SINCE JAN 1     21                                        17
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     8.4


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    97           5:00 AM
 LOWEST     45           4:00 PM
 AVERAGE    71

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        95      2002
 MINIMUM TEMPERATURE (F)   51        43      2001


SUNRISE AND SUNSET
JUNE  5 2026..........SUNRISE   5:46 AM PDT   SUNSET   8:29 PM PDT
JUNE  6 2026..........SUNRISE   5:46 AM PDT   SUNSET   8:30 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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