972  
CDUS46 KMTR 300037  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
537 PM PDT TUE JUL 29 2025  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 29 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 87 2:06 PM 96 2015 83 4 79  
MINIMUM 49 5:10 AM 47 1999 52 -3 54  
AVERAGE 68 68 0 67  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2015 0.00 0.00 0.00  
2022  
MONTH TO DATE 0.01 0.01 0.00 T  
SINCE OCT 1 41.12 33.60 7.52 36.97  
SINCE JAN 1 15.53 21.61 -6.08 25.41  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 17 5  
SINCE JUN 1 61 13  
SINCE JUL 1 17 5  
 
COOLING  
TODAY 3 2  
MONTH TO DATE 37 208  
SINCE JUN 1 77 319  
SINCE JAN 1 114 348    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 29 2:00 PM  
AVERAGE 65  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2012  
MINIMUM TEMPERATURE (F) 52 46 1999  
 
SUNRISE AND SUNSET  
JULY 29 2025..........SUNRISE 6:11 AM PDT SUNSET 8:24 PM PDT  
JULY 30 2025..........SUNRISE 6:12 AM PDT SUNSET 8:23 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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