Climatological Report (Daily)
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872
CDUS46 KMTR 010033
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
533 PM PDT WED SEP 30 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         92   3:26 PM  99    2001  81     11       69
  MINIMUM         49   6:26 AM  37    2019  48      1       59
  AVERAGE         71                        65      6       64

PRECIPITATION (IN)
  TODAY            0.00          T    2011   0.01  -0.01     0.04
                                      2020
  MONTH TO DATE    0.24                      0.13   0.11     0.37
  SINCE OCT 1     26.54                     33.78  -7.24    41.49
  SINCE JAN 1     13.65                     21.79  -8.14    15.90

DEGREE DAYS
 HEATING
  TODAY            0                                         1
  MONTH TO DATE   23                                         3
  SINCE SEP 1     23                                         3
  SINCE JUL 1     36                                        20

 COOLING
  TODAY            6                                         0
  MONTH TO DATE   77                                       113
  SINCE SEP 1     77                                       113
  SINCE JAN 1    418                                       392
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     3.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           5:00 AM
 LOWEST     20           2:00 PM
 AVERAGE    55

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81       106      2024
 MINIMUM TEMPERATURE (F)   48        37      2019


SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE   7:06 AM PDT   SUNSET   6:55 PM PDT
OCTOBER  1 2026.......SUNRISE   7:07 AM PDT   SUNSET   6:54 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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