AFOS product CLISTS
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
875 
CDUS46 KMTR 010838
CLISTS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT WED OCT 01 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2025...

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)                                                          
 YESTERDAY                                                           
  MAXIMUM         69  12:03 PM  99    2001  81    -12       96        
  MINIMUM         59   6:24 AM  37    2019  48     11       46        
  AVERAGE         64                        65     -1       71     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.04R         T    2011   0.01   0.03     0.00     
                                      2020                           
  MONTH TO DATE    0.37                      0.13   0.24     0.00     
  SINCE OCT 1     41.49                     33.78   7.71    37.05     
  SINCE JAN 1     15.90                     21.79  -5.89    25.49     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        1                                         0        
  MONTH TO DATE    3                                        11        
  SINCE SEP 1      3                                        11        
  SINCE JUL 1     20                                        20        

 COOLING                                                              
  YESTERDAY        0                                         6        
  MONTH TO DATE  113                                        94        
  SINCE SEP 1    113                                        94        
  SINCE JAN 1    392                                       598        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (200)       
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (230)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (210)       
  AVERAGE WIND SPEED     4.6                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.9                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM                                      
 LOWEST     73           1:00 PM                                      
 AVERAGE    87                                                        

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   81       106      2024                      
 MINIMUM TEMPERATURE (F)   48        37      2019                      


SUNRISE AND SUNSET                                                    
OCTOBER  1 2025.......SUNRISE   7:07 AM PDT   SUNSET   6:53 PM PDT     
OCTOBER  2 2025.......SUNRISE   7:08 AM PDT   SUNSET   6:52 PM PDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$