878  
CDUS46 KMTR 100838  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1238 AM PST SUN DEC 10 2023  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 61 3:51 PM 69 2012 58 3 50  
MINIMUM 32 8:06 AM 19 2013 37 -5 36  
AVERAGE 47 48 -1 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.82 2006 0.21 -0.21 0.00  
MONTH TO DATE 0.52 1.79 -1.27 2.64  
SINCE OCT 1 3.34 7.02 -3.68 3.88  
SINCE JAN 1 34.42 28.81 5.61 9.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 22  
MONTH TO DATE 119 175  
SINCE DEC 1 119 175  
SINCE JUL 1 565 774  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 498 579    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 1.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 69  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 68 2012  
MINIMUM TEMPERATURE (F) 37 22 2013  
 
SUNRISE AND SUNSET  
DECEMBER 10 2023......SUNRISE 7:18 AM PST SUNSET 4:50 PM PST  
DECEMBER 11 2023......SUNRISE 7:18 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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