Climatological Report (Daily)
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524
CDUS46 KMTR 050829
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT SAT SEP 05 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 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         75   1:16 PM 103    2022  85    -10       78
  MINIMUM         50   3:41 AM  42    2016  51     -1       54
  AVERAGE         63                        68     -5       66

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2014   0.00   0.00      T
                                      2017
                                      2025
  MONTH TO DATE    0.24                      0.00   0.24      T
  SINCE OCT 1     26.54                     33.65  -7.11    41.12
  SINCE JAN 1     13.65                     21.66  -8.01    15.53

DEGREE DAYS
 HEATING
  YESTERDAY        2                                         0
  MONTH TO DATE    6                                         0
  SINCE SEP 1      6                                         0
  SINCE JUL 1     19                                        17

 COOLING
  YESTERDAY        0                                         1
  MONTH TO DATE    2                                        21
  SINCE SEP 1      2                                        21
  SINCE JAN 1    343                                       300
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     3.7


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     41           2:00 PM
 AVERAGE    71

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85       112      2022
 MINIMUM TEMPERATURE (F)   51        43      2010


SUNRISE AND SUNSET
SEPTEMBER  5 2026.....SUNRISE   6:44 AM PDT   SUNSET   7:35 PM PDT
SEPTEMBER  6 2026.....SUNRISE   6:45 AM PDT   SUNSET   7:33 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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