Climatological Report (Daily)
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884
CDUS46 KMTR 200025
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
525 PM PDT TUE AUG 19 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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         88   3:16 PM  97    2020  84      4       88
  MINIMUM         46R  5:06 AM  47    2012  52     -6       48
  AVERAGE         67                        68     -1       68

PRECIPITATION (IN)
  TODAY            0.00          T    2012   0.00   0.00     0.00
                                      2023
  MONTH TO DATE    T                         0.01  -0.01     0.00
  SINCE OCT 1     41.12                     33.61   7.51    36.97
  SINCE JAN 1     15.53                     21.62  -6.09    25.41

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE JUN 1     61                                        13
  SINCE JUL 1     17                                         5

 COOLING
  TODAY            2                                         3
  MONTH TO DATE   93                                       101
  SINCE JUN 1    176                                       431
  SINCE JAN 1    213                                       460
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     3.4


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    89           3:00 AM
 LOWEST     19           4:00 PM
 AVERAGE    54

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        95      2022
 MINIMUM TEMPERATURE (F)   52        47      2000


SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE   6:30 AM PDT   SUNSET   7:59 PM PDT
AUGUST 20 2025........SUNRISE   6:30 AM PDT   SUNSET   7:58 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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