657  
CDUS46 KMTR 270037  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
537 PM PDT FRI SEP 26 2025  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 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 89 2:40 PM 101 2009 82 7 87  
MINIMUM 55 5:27 AM 43 2004 49 6 55  
AVERAGE 72 65 7 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.55 2014 0.01 -0.01 0.00  
MONTH TO DATE 0.14 0.09 0.05 0.00  
SINCE OCT 1 41.26 33.74 7.52 37.05  
SINCE JAN 1 15.67 21.75 -6.08 25.49  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 0 9  
SINCE SEP 1 0 9  
SINCE JUL 1 17 18  
 
COOLING  
TODAY 7 6  
MONTH TO DATE 112 79  
SINCE SEP 1 112 79  
SINCE JAN 1 391 583    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 27 2:00 PM  
AVERAGE 62  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 102 2010  
2020  
MINIMUM TEMPERATURE (F) 48 43 2008  
2013  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2025.....SUNRISE 7:03 AM PDT SUNSET 7:01 PM PDT  
SEPTEMBER 27 2025.....SUNRISE 7:04 AM PDT SUNSET 7:00 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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