Climatological Report (Daily)
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438
CDUS46 KMTR 040037
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
437 PM PST WED DEC 03 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 3 2025...
VALID TODAY AS OF 0400 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         69R  2:36 PM  68    2024  59     10       68
  MINIMUM         38   5:21 AM  26    2004  38      0       38
  AVERAGE         54                        48      6       53

PRECIPITATION (IN)
  TODAY            0.00          1.25 2014   0.20  -0.20     0.00
  MONTH TO DATE    0.00                      0.57  -0.57     0.01
  SINCE OCT 1      6.84                      5.80   1.04    15.92
  SINCE JAN 1     22.74                     27.59  -4.85    41.41

DEGREE DAYS
 HEATING
  TODAY           11                                        12
  MONTH TO DATE   45                                        38
  SINCE DEC 1     45                                        38
  SINCE JUL 1    490                                       546

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1    401                                       705
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (360)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     21           3:00 PM
 AVERAGE    61

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        69      2020
                                             2024
 MINIMUM TEMPERATURE (F)   38        26      2004
                                             2013


SUNRISE AND SUNSET
DECEMBER  3 2025......SUNRISE   7:12 AM PST   SUNSET   4:50 PM PST
DECEMBER  4 2025......SUNRISE   7:13 AM PST   SUNSET   4:50 PM PST


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




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