996  
CDUS46 KMTR 290035  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
535 PM PDT SUN SEP 28 2025  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 74 2:00 PM 104 2010 82 -8 77  
MINIMUM 60 12:20 AM 42 2001 48 12 48  
AVERAGE 67 65 2 63  
 
PRECIPITATION (IN)  
TODAY 0.00 0.02 1999 0.01 -0.01 0.00  
MONTH TO DATE 0.14 0.11 0.03 0.00  
SINCE OCT 1 41.26 33.76 7.50 37.05  
SINCE JAN 1 15.67 21.77 -6.10 25.49  
 
DEGREE DAYS  
HEATING  
TODAY 0 2  
MONTH TO DATE 2 11  
SINCE SEP 1 2 11  
SINCE JUL 1 19 20  
 
COOLING  
TODAY 2 0  
MONTH TO DATE 113 86  
SINCE SEP 1 113 86  
SINCE JAN 1 392 590    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 12:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 65  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 2010  
MINIMUM TEMPERATURE (F) 48 40 2007  
2019  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2025.....SUNRISE 7:05 AM PDT SUNSET 6:58 PM PDT  
SEPTEMBER 29 2025.....SUNRISE 7:06 AM PDT SUNSET 6:56 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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