Climatological Report (Daily)
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585
CDUS46 KMTR 090034
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
534 PM PDT FRI AUG 08 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 8 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         94   3:12 PM  98    2002  84     10       80
  MINIMUM         53   6:03 AM  46    2012  52      1       53
                                      2016
  AVERAGE         74                        68      6       67

PRECIPITATION (IN)
  TODAY            0.00          0.01 2013   0.00   0.00     0.00
  MONTH TO DATE    T                         0.01  -0.01     0.00
  SINCE OCT 1     41.12                     33.61   7.51    36.97
  SINCE JAN 1     15.53                     21.62  -6.09    25.41

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE JUN 1     61                                        13
  SINCE JUL 1     17                                         5

 COOLING
  TODAY            9                                         2
  MONTH TO DATE   44                                        51
  SINCE JUN 1    127                                       381
  SINCE JAN 1    164                                       410
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           4:00 AM
 LOWEST     30           3:00 PM
 AVERAGE    62

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       101      2002
 MINIMUM TEMPERATURE (F)   52        47      2012


SUNRISE AND SUNSET
AUGUST  8 2025........SUNRISE   6:20 AM PDT   SUNSET   8:13 PM PDT
AUGUST  9 2025........SUNRISE   6:21 AM PDT   SUNSET   8:12 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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