306  
CDUS46 KMTR 260834  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
134 AM PDT TUE SEP 26 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 11:43 AM 105 2019 82 -7 77  
MINIMUM 52 12:12 AM 39 2005 49 3 52  
AVERAGE 64 65 -1 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 0.12 2014 0.00 0.09 0.00  
MONTH TO DATE 0.09 0.08 0.01 0.95  
SINCE OCT 1 41.95 33.73 8.22 27.12  
SINCE JAN 1 31.00 21.74 9.26 5.67  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 0  
MONTH TO DATE 18 14  
SINCE SEP 1 18 14  
SINCE JUL 1 28 18  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 54 155  
SINCE SEP 1 54 155  
SINCE JAN 1 441 557    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 11:00 PM  
LOWEST 49 3:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 101 2009  
MINIMUM TEMPERATURE (F) 49 43 2004  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2023.....SUNRISE 7:02 AM PDT SUNSET 7:02 PM PDT  
SEPTEMBER 27 2023.....SUNRISE 7:03 AM PDT SUNSET 7:00 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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