Climatological Report (Daily)
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405
CDUS46 KMTR 150845
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT TUE SEP 15 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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         85   2:34 PM  93    2019  84      1       87
  MINIMUM         48   6:12 AM  43    2018  50     -2       46
  AVERAGE         67                        67      0       67

PRECIPITATION (IN)
  YESTERDAY        0.00          0.01 2015   0.01  -0.01     0.00
  MONTH TO DATE    0.24                      0.03   0.21     0.12
  SINCE OCT 1     26.54                     33.68  -7.14    41.24
  SINCE JAN 1     13.65                     21.69  -8.04    15.65

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    8                                         0
  SINCE SEP 1      8                                         0
  SINCE JUL 1     21                                        17

 COOLING
  YESTERDAY        2                                         2
  MONTH TO DATE   48                                        42
  SINCE SEP 1     48                                        42
  SINCE JAN 1    389                                       321
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           5:00 AM
 LOWEST     22           5:00 PM
 AVERAGE    58

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        97      2004
 MINIMUM TEMPERATURE (F)   50        44      2006
                                             2017


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   6:53 AM PDT   SUNSET   7:19 PM PDT
SEPTEMBER 16 2026.....SUNRISE   6:54 AM PDT   SUNSET   7:17 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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