CDUS46 KMTR 210826

CLISTS



CLIMATE REPORT 

NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA

126 AM PDT MON SEP 21 2026



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



...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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         76   2:15 PM 100    2003  83     -7       83        

  MINIMUM         54   3:07 AM  40    2004  49      5       55        

  AVERAGE         65                        66     -1       69     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00          0.16 2013   0.01  -0.01     0.00     

  MONTH TO DATE    0.24                      0.05   0.19     0.14     

  SINCE OCT 1     26.54                     33.70  -7.16    41.26     

  SINCE JAN 1     13.65                     21.71  -8.06    15.67     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        0                                         0        

  MONTH TO DATE   11                                         0        

  SINCE SEP 1     11                                         0        

  SINCE JUL 1     24                                        17        



 COOLING                                                              

  YESTERDAY        0                                         4        

  MONTH TO DATE   53                                        77        

  SINCE SEP 1     53                                        77        

  SINCE JAN 1    394                                       356        

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





WIND (MPH)                                                            

  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (180)       

  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (160)       

  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (180)       

  AVERAGE WIND SPEED     5.1                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.4                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    97           2:00 AM                                      

 LOWEST     51           2:00 PM                                      

 AVERAGE    74                                                        



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





THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   83       103      2003                      

 MINIMUM TEMPERATURE (F)   49        40      2012                      





SUNRISE AND SUNSET                                                    

SEPTEMBER 21 2026.....SUNRISE   6:58 AM PDT   SUNSET   7:10 PM PDT     

SEPTEMBER 22 2026.....SUNRISE   6:59 AM PDT   SUNSET   7:08 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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