Climatological Report (Daily)
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836
CDUS46 KMTR 280039
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT SUN SEP 27 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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         77   2:37 PM 102    2010  82     -5       76
                                      2020
  MINIMUM         50   6:43 AM  43    2008  48      2       49
                                      2013
  AVERAGE         64                        65     -1       63

PRECIPITATION (IN)
  TODAY            0.00          0.08 1998   0.01  -0.01     0.00
  MONTH TO DATE    0.24                      0.10   0.14     0.14
  SINCE OCT 1     26.54                     33.75  -7.21    41.26
  SINCE JAN 1     13.65                     21.76  -8.11    15.67

DEGREE DAYS
 HEATING
  TODAY            1                                         2
  MONTH TO DATE   18                                         2
  SINCE SEP 1     18                                         2
  SINCE JUL 1     31                                        19

 COOLING
  TODAY            0                                         0
  MONTH TO DATE   65                                       111
  SINCE SEP 1     65                                       111
  SINCE JAN 1    406                                       390
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     3.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           4:00 AM
 LOWEST     39           3:00 PM
 AVERAGE    68

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82       104      2010
 MINIMUM TEMPERATURE (F)   48        42      2001


SUNRISE AND SUNSET
SEPTEMBER 27 2026.....SUNRISE   7:04 AM PDT   SUNSET   7:00 PM PDT
SEPTEMBER 28 2026.....SUNRISE   7:05 AM PDT   SUNSET   6:58 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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