Climatological Report (Daily)
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571
CDUS46 KMTR 210826
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT TUE JUL 21 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 20 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         82   3:50 PM  96    2024  83     -1       78
  MINIMUM         56   3:23 AM  47    2021  52      4       54
  AVERAGE         69                        68      1       66

PRECIPITATION (IN)
  YESTERDAY        T   R         T    2012   0.00   0.00     0.00
                                      2012
                                      2014
  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                                        11
  SINCE JUN 1     28                                        55
  SINCE JUL 1      8                                        11

 COOLING
  YESTERDAY        4                                         1
  MONTH TO DATE   64                                        28
  SINCE JUN 1    128                                        68
  SINCE JAN 1    167                                       105
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          12:00 AM
 LOWEST     38           4:00 PM
 AVERAGE    64

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        99      2006
 MINIMUM TEMPERATURE (F)   52        47      2001
                                             2021


SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE   6:04 AM PDT   SUNSET   8:31 PM PDT
JULY 22 2026..........SUNRISE   6:05 AM PDT   SUNSET   8:30 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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