Climatological Report (Daily)
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630
CDUS46 KMTR 190830
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT SAT SEP 19 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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   2:32 PM 101    2000  83      2       79
  MINIMUM         48   6:15 AM  41    2008  49     -1       56
  AVERAGE         67                        66      1       68

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2010   0.00   0.00     0.01
  MONTH TO DATE    0.24                      0.04   0.20     0.13
  SINCE OCT 1     26.54                     33.69  -7.15    41.25
  SINCE JAN 1     13.65                     21.70  -8.05    15.66

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE   11                                         0
  SINCE SEP 1     11                                         0
  SINCE JUL 1     24                                        17

 COOLING
  YESTERDAY        2                                         3
  MONTH TO DATE   51                                        69
  SINCE SEP 1     51                                        69
  SINCE JAN 1    392                                       348
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SE (150)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           5:00 AM
 LOWEST     33           4:00 PM
 AVERAGE    67

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       104      2000
 MINIMUM TEMPERATURE (F)   49        41      2008


SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE   6:56 AM PDT   SUNSET   7:13 PM PDT
SEPTEMBER 20 2026.....SUNRISE   6:57 AM PDT   SUNSET   7:11 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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