063  
CDUS46 KMTR 300838  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
138 AM PDT WED SEP 30 2026  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 97 2:31 PM 98 2010 81 16 71  
MINIMUM 45 6:25 AM 40 2007 48 -3 59  
2019  
AVERAGE 71 65 6 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.19 2025 0.01 -0.01 0.19  
MONTH TO DATE 0.24 0.12 0.12 0.33  
SINCE OCT 1 26.54 33.77 -7.23 41.45  
SINCE JAN 1 13.65 21.78 -8.13 15.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 23 2  
SINCE SEP 1 23 2  
SINCE JUL 1 36 19  
 
COOLING  
YESTERDAY 6 0  
MONTH TO DATE 71 113  
SINCE SEP 1 71 113  
SINCE JAN 1 412 392    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 14 1:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 2001  
MINIMUM TEMPERATURE (F) 48 37 2019  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2026.....SUNRISE 7:06 AM PDT SUNSET 6:55 PM PDT  
OCTOBER 1 2026.......SUNRISE 7:07 AM PDT SUNSET 6:54 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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