820  
CDUS46 KMTR 090834  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1234 AM PST THU JAN 09 2025  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JANUARY 8 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 70R 2:58 PM 66 2012 57 13 57  
MINIMUM 38 8:03 AM 29 1999 37 1 32  
AVERAGE 54 47 7 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.58 2017 0.24 -0.24 0.00  
MONTH TO DATE 0.48 1.87 -1.39 1.37  
SINCE OCT 1 26.07 13.86 12.21 12.93  
SINCE JAN 1 0.48 1.87 -1.39 1.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 20  
MONTH TO DATE 104 132  
SINCE DEC 1 544 552  
SINCE JUL 1 1052 998  
 
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 N (10)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 3.5  
 
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 97 10:00 PM  
LOWEST 22 1:00 AM  
AVERAGE 60  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 67 2014  
MINIMUM TEMPERATURE (F) 37 27 2012  
 
SUNRISE AND SUNSET  
JANUARY 9 2025.......SUNRISE 7:29 AM PST SUNSET 5:09 PM PST  
JANUARY 10 2025.......SUNRISE 7:28 AM PST SUNSET 5:10 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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