557  
CDUS46 KMTR 020837  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1237 AM PST THU JAN 02 2025  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JANUARY 1 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 52 4:18 PM 68 2007 57 -5 63  
MINIMUM 37 4:50 AM 24 2016 37 0 41  
AVERAGE 45 47 -2 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.91 2002 0.24 -0.23 0.00  
MONTH TO DATE 0.01 0.24 -0.23 0.00  
SINCE OCT 1 25.60 12.23 13.37 11.56  
SINCE JAN 1 0.01 0.24 -0.23 0.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 13  
MONTH TO DATE 20 13  
SINCE DEC 1 460 433  
SINCE JUL 1 968 879  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 1.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 77 2:00 PM  
AVERAGE 89  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 68 2020  
MINIMUM TEMPERATURE (F) 37 26 2013  
2022  
 
SUNRISE AND SUNSET  
JANUARY 2 2025.......SUNRISE 7:29 AM PST SUNSET 5:02 PM PST  
JANUARY 3 2025.......SUNRISE 7:29 AM PST SUNSET 5:03 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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