Climatological Report (Daily)
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336
CDUS46 KMTR 240834
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT SUN AUG 24 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 23 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         85   2:05 PM  99    2010  85      0       72
  MINIMUM         52  12:51 AM  48    1998  52      0       49
  AVERAGE         69                        68      1       61

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2020   0.01  -0.01     0.00
  MONTH TO DATE    T                         0.03  -0.03      T
  SINCE OCT 1     41.12                     33.63   7.49    36.97
  SINCE JAN 1     15.53                     21.64  -6.11    25.41

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         4
  MONTH TO DATE    0                                         4
  SINCE JUN 1     61                                        17
  SINCE JUL 1     17                                         9

 COOLING
  YESTERDAY        4                                         0
  MONTH TO DATE  123                                       110
  SINCE JUN 1    206                                       440
  SINCE JAN 1    243                                       469
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     6.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          12:00 AM
 LOWEST     35           2:00 PM
 AVERAGE    66

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85       107      2010
 MINIMUM TEMPERATURE (F)   52        47      2006
                                             2012


SUNRISE AND SUNSET
AUGUST 24 2025........SUNRISE   6:34 AM PDT   SUNSET   7:52 PM PDT
AUGUST 25 2025........SUNRISE   6:35 AM PDT   SUNSET   7:51 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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