785  
CDUS46 KMTR 040830  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT SAT OCT 04 2025  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 75 3:11 PM 105 2020 81 -6 98  
MINIMUM 51 6:47 AM 38 2019 48 3 50  
AVERAGE 63 64 -1 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.47 2011 0.02 -0.02 0.00  
MONTH TO DATE 0.32 0.06 0.26 0.00  
SINCE OCT 1 0.32 0.06 0.26 0.00  
SINCE JAN 1 16.22 21.85 -5.63 25.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 0  
MONTH TO DATE 4 0  
SINCE SEP 1 7 11  
SINCE JUL 1 24 20  
 
COOLING  
YESTERDAY 0 9  
MONTH TO DATE 0 37  
SINCE SEP 1 113 131  
SINCE JAN 1 392 635    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 71  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 2014  
MINIMUM TEMPERATURE (F) 47 39 2017  
 
SUNRISE AND SUNSET  
OCTOBER 4 2025.......SUNRISE 7:10 AM PDT SUNSET 6:49 PM PDT  
OCTOBER 5 2025.......SUNRISE 7:11 AM PDT SUNSET 6:47 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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