829  
CDUS46 KMTR 180036  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
436 PM PST TUE DEC 17 2024  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 64 2:49 PM 69 2017 57 7 55  
MINIMUM 46 9:08 AM 24 2008 37 9 38  
AVERAGE 55 47 8 47  
 
PRECIPITATION (IN)  
TODAY 0.00 0.96 2010 0.21 -0.21 0.24  
MONTH TO DATE 5.54 3.57 1.97 0.76  
SINCE OCT 1 21.45 8.80 12.65 3.58  
SINCE JAN 1 46.94 30.59 16.35 34.66  
 
DEGREE DAYS  
HEATING  
TODAY 10 18  
MONTH TO DATE 245 257  
SINCE DEC 1 245 257  
SINCE JUL 1 753 703  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 705 498    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 65 2:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 64 1998  
MINIMUM TEMPERATURE (F) 37 24 2008  
 
SUNRISE AND SUNSET  
DECEMBER 17 2024......SUNRISE 7:23 AM PST SUNSET 4:52 PM PST  
DECEMBER 18 2024......SUNRISE 7:24 AM PST SUNSET 4:53 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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