071  
CDUS46 KMTR 110832  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1232 AM PST MON DEC 11 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 60 3:33 PM 68 2012 58 2 57  
MINIMUM 30 7:55 AM 22 2013 37 -7 45  
AVERAGE 45 47 -2 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 2014 0.22 -0.22 1.02  
MONTH TO DATE 0.52 2.01 -1.49 3.66  
SINCE OCT 1 3.34 7.24 -3.90 4.90  
SINCE JAN 1 34.42 29.03 5.39 10.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 14  
MONTH TO DATE 139 189  
SINCE DEC 1 139 189  
SINCE JUL 1 585 788  
 
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 W (250)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 0.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 46 3:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 67 1999  
2010  
MINIMUM TEMPERATURE (F) 37 24 2013  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 7:18 AM PST SUNSET 4:50 PM PST  
DECEMBER 12 2023......SUNRISE 7:19 AM PST SUNSET 4:51 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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