178  
CDUS46 KMTR 130837  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT SUN APR 13 2025  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR APRIL 12 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 2:56 PM 87 2008 68 3 64  
MINIMUM 38 5:57 AM 32 2022 43 -5 43  
AVERAGE 55 56 -1 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.46 2003 0.08 -0.08 0.13  
MONTH TO DATE 0.34 1.12 -0.78 0.48  
SINCE OCT 1 40.86 31.03 9.83 35.73  
SINCE JAN 1 15.27 19.04 -3.77 24.17  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 11  
MONTH TO DATE 99 114  
SINCE MAR 1 486 491  
SINCE JUL 1 2292 2143  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 2 0  
SINCE JAN 1 2 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 49 5:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 2008  
MINIMUM TEMPERATURE (F) 43 34 2005  
 
SUNRISE AND SUNSET  
APRIL 13 2025.........SUNRISE 6:38 AM PDT SUNSET 7:46 PM PDT  
APRIL 14 2025.........SUNRISE 6:36 AM PDT SUNSET 7:47 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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