181  
CDUS46 KMTR 080826  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT FRI AUG 08 2025  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 7 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 92 3:08 PM 96 2023 84 8 91  
MINIMUM 54 4:44 AM 46 2012 52 2 49  
AVERAGE 73 68 5 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2012 0.01 -0.01 0.00  
2012  
2015  
MONTH TO DATE T 0.01 -0.01 0.00  
SINCE OCT 1 41.12 33.61 7.51 36.97  
SINCE JAN 1 15.53 21.62 -6.09 25.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE JUN 1 61 13  
SINCE JUL 1 17 5  
 
COOLING  
YESTERDAY 8 5  
MONTH TO DATE 35 49  
SINCE JUN 1 118 379  
SINCE JAN 1 155 408    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 29 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 2002  
MINIMUM TEMPERATURE (F) 52 46 2012  
2016  
 
SUNRISE AND SUNSET  
AUGUST 8 2025........SUNRISE 6:20 AM PDT SUNSET 8:13 PM PDT  
AUGUST 9 2025........SUNRISE 6:21 AM PDT SUNSET 8:12 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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