432  
CDUS46 KMTR 070839  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1239 AM PST THU DEC 07 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 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 3:58 PM 66 2001 58 1 59  
2020  
MINIMUM 45 11:42 PM 22 2013 37 8 37  
AVERAGE 52 48 4 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.31 1.56 2004 0.20 0.11 0.51  
MONTH TO DATE 0.41 1.16 -0.75 2.21  
SINCE OCT 1 3.23 6.39 -3.16 3.45  
SINCE JAN 1 34.31 28.18 6.13 9.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 17  
MONTH TO DATE 65 114  
SINCE DEC 1 65 114  
SINCE JUL 1 511 713  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 498 579    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 86 9:00 PM  
AVERAGE 93  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 77 2020  
MINIMUM TEMPERATURE (F) 37 25 2009  
 
SUNRISE AND SUNSET  
DECEMBER 7 2023......SUNRISE 7:15 AM PST SUNSET 4:50 PM PST  
DECEMBER 8 2023......SUNRISE 7:16 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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