Climatological Report (Daily)
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508
CDUS46 KMTR 270842
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
142 AM PDT MON JUL 27 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 26 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         85   1:52 PM  97    2016  83      2       74
  MINIMUM         48R  5:16 AM  49    2008  52     -4       56
                                      2024
  AVERAGE         67                        68     -1       65

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2016   0.00   0.00     0.00
                                      2020
  MONTH TO DATE    T                         0.01  -0.01     0.01
  SINCE OCT 1     26.30                     33.60  -7.30    41.12
  SINCE JAN 1     13.41                     21.61  -8.20    15.53

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

 COOLING
  YESTERDAY        2                                         0
  MONTH TO DATE   91                                        29
  SINCE JUN 1    155                                        69
  SINCE JAN 1    194                                       106
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SE (140)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           4:00 AM
 LOWEST     40           1:00 PM
 AVERAGE    70

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        95      2019
 MINIMUM TEMPERATURE (F)   52        48      2000


SUNRISE AND SUNSET
JULY 27 2026..........SUNRISE   6:09 AM PDT   SUNSET   8:26 PM PDT
JULY 28 2026..........SUNRISE   6:10 AM PDT   SUNSET   8:25 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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