967  
CDUS46 KMTR 220038  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
438 PM PST SAT DEC 21 2024  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 58 3:19 PM 77 1999 57 1 68  
MINIMUM 47 12:46 AM 21 1998 37 10 47  
AVERAGE 53 47 6 58  
 
PRECIPITATION (IN)  
TODAY 0.48 2.55 2012 0.22 0.26 0.01  
MONTH TO DATE 6.02 4.47 1.55 5.59  
SINCE OCT 1 21.93 9.70 12.23 8.41  
SINCE JAN 1 47.42 31.49 15.93 39.49  
 
DEGREE DAYS  
HEATING  
TODAY 12 7  
MONTH TO DATE 310 291  
SINCE DEC 1 310 291  
SINCE JUL 1 818 737  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 705 498    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (130)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 96 1:00 AM  
AVERAGE 98  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 70 1999  
2014  
2023  
MINIMUM TEMPERATURE (F) 37 21 1998  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 7:25 AM PST SUNSET 4:54 PM PST  
DECEMBER 22 2024......SUNRISE 7:26 AM PST SUNSET 4:55 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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