432  
CDUS46 KMTR 080835  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1235 AM PST FRI DEC 08 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 59 2:33 PM 77 2020 58 1 59  
MINIMUM 37 11:59 PM 25 2009 37 0 32  
AVERAGE 48 48 0 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 1.31 2019 0.21 -0.10 0.00  
MONTH TO DATE 0.52 1.37 -0.85 2.21  
SINCE OCT 1 3.34 6.60 -3.26 3.45  
SINCE JAN 1 34.42 28.39 6.03 9.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 19  
MONTH TO DATE 82 133  
SINCE DEC 1 82 133  
SINCE JUL 1 528 732  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 498 579    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 64 4:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 74 2020  
MINIMUM TEMPERATURE (F) 37 21 2009  
 
SUNRISE AND SUNSET  
DECEMBER 8 2023......SUNRISE 7:16 AM PST SUNSET 4:50 PM PST  
DECEMBER 9 2023......SUNRISE 7:17 AM PST SUNSET 4:50 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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