514  
CDUS46 KMTR 030827  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT FRI OCT 03 2025  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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 71 3:54 PM 104 2024 81 -10 104  
MINIMUM 56 6:34 AM 38 2019 48 8 56  
AVERAGE 64 64 0 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.98 2018 0.02 -0.01 0.00  
MONTH TO DATE 0.32 0.04 0.28 0.00  
SINCE OCT 1 0.32 0.04 0.28 0.00  
SINCE JAN 1 16.22 21.83 -5.61 25.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 0  
MONTH TO DATE 2 0  
SINCE SEP 1 5 11  
SINCE JUL 1 22 20  
 
COOLING  
YESTERDAY 0 15  
MONTH TO DATE 0 28  
SINCE SEP 1 113 122  
SINCE JAN 1 392 626    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.0  
 
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 1:00 AM  
LOWEST 61 4:00 PM  
AVERAGE 81  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 105 2020  
MINIMUM TEMPERATURE (F) 48 38 2019  
 
SUNRISE AND SUNSET  
OCTOBER 3 2025.......SUNRISE 7:09 AM PDT SUNSET 6:50 PM PDT  
OCTOBER 4 2025.......SUNRISE 7:10 AM PDT SUNSET 6:49 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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