158  
CDUS46 KMTR 090830  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1230 AM PST MON DEC 09 2024  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 3:35 PM 74 2020 58 13 60  
MINIMUM 41 8:34 AM 21 2009 37 4 31  
AVERAGE 56 48 8 46  
 
PRECIPITATION (IN)  
YESTERDAY T 1.52 2004 0.21 -0.21 0.00  
MONTH TO DATE 0.01 1.58 -1.57 0.52  
SINCE OCT 1 15.92 6.81 9.11 3.34  
SINCE JAN 1 41.41 28.60 12.81 34.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 19  
MONTH TO DATE 92 101  
SINCE DEC 1 92 101  
SINCE JUL 1 600 547  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 705 498    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 1.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 44 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 69 2012  
MINIMUM TEMPERATURE (F) 37 19 2013  
 
SUNRISE AND SUNSET  
DECEMBER 9 2024......SUNRISE 7:17 AM PST SUNSET 4:50 PM PST  
DECEMBER 10 2024......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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