Climatological Report (Daily)
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530
CDUS46 KMTR 100838
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT MON AUG 10 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 9 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         87   3:26 PM 101    2002  84      3       90
  MINIMUM         53   7:21 AM  47    2012  52      1       53
  AVERAGE         70                        68      2       72

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2010   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.01  -0.01      T
  SINCE OCT 1     26.30                     33.61  -7.31    41.12
  SINCE JAN 1     13.41                     21.62  -8.21    15.53

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE JUN 1     28                                        61
  SINCE JUL 1      8                                        17

 COOLING
  YESTERDAY        5                                         7
  MONTH TO DATE   52                                        51
  SINCE JUN 1    235                                       134
  SINCE JAN 1    274                                       171
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           7:00 AM
 LOWEST     37           4:00 PM
 AVERAGE    69

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       100      2018
 MINIMUM TEMPERATURE (F)   52        46      2007


SUNRISE AND SUNSET
AUGUST 10 2026........SUNRISE   6:21 AM PDT   SUNSET   8:11 PM PDT
AUGUST 11 2026........SUNRISE   6:22 AM PDT   SUNSET   8:10 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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