Climatological Report (Daily)
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683
CDUS46 KMTR 300829
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1229 AM PST TUE DEC 30 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 29 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         60   3:25 PM  66    2013  57      3       62
  MINIMUM         31   7:53 AM  27    2013  37     -6       44
  AVERAGE         46                        47     -1       53

PRECIPITATION (IN)
  YESTERDAY        0.00          3.32 2003   0.23  -0.23     0.59
  MONTH TO DATE    5.47                      6.32  -0.85     9.68
  SINCE OCT 1     12.31                     11.55   0.76    25.59
  SINCE JAN 1     28.21                     33.34  -5.13    51.08

DEGREE DAYS
 HEATING
  YESTERDAY       19                                        12
  MONTH TO DATE  460                                       403
  SINCE DEC 1    460                                       403
  SINCE JUL 1    905                                       911

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


WIND (MPH)
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     1.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     51           3:00 PM
 AVERAGE    76

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        65      2018
 MINIMUM TEMPERATURE (F)   37        26      2013


SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE   7:28 AM PST   SUNSET   5:00 PM PST
DECEMBER 31 2025......SUNRISE   7:29 AM PST   SUNSET   5:01 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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