760  
CDUS46 KMTR 200033  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
533 PM PDT FRI SEP 19 2025  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 81 1:17 PM 104 2000 83 -2 75  
MINIMUM 56 4:52 AM 41 2008 49 7 50  
AVERAGE 69 66 3 63  
 
PRECIPITATION (IN)  
TODAY 0.01 0.12 2010 0.00 0.01 0.00  
MONTH TO DATE 0.14 0.04 0.10 0.00  
SINCE OCT 1 41.26 33.69 7.57 37.05  
SINCE JAN 1 15.67 21.70 -6.03 25.49  
 
DEGREE DAYS  
HEATING  
TODAY 0 2  
MONTH TO DATE 0 8  
SINCE SEP 1 0 8  
SINCE JUL 1 17 17  
 
COOLING  
TODAY 4 0  
MONTH TO DATE 73 51  
SINCE SEP 1 73 51  
SINCE JAN 1 352 555    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 48 1:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 2003  
MINIMUM TEMPERATURE (F) 49 40 2004  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2025.....SUNRISE 6:57 AM PDT SUNSET 7:12 PM PDT  
SEPTEMBER 20 2025.....SUNRISE 6:58 AM PDT SUNSET 7:11 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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