879  
CDUS46 KMTR 010030  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
430 PM PST SUN DEC 31 2023  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 57 3:07 PM 64 2014 57 0 58  
2019  
MINIMUM 49 7:43 AM 28 2012 37 12 47  
2016  
AVERAGE 53 47 6 53  
 
PRECIPITATION (IN)  
TODAY 0.00 1.93 2005 0.22 -0.22 0.86  
MONTH TO DATE 8.74 6.76 1.98 9.71  
SINCE OCT 1 11.56 11.99 -0.43 10.95  
SINCE JAN 1 42.64 33.78 8.86 16.63  
 
DEGREE DAYS  
HEATING  
TODAY 12 12  
MONTH TO DATE 420 570  
SINCE DEC 1 420 570  
SINCE JUL 1 866 1169  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 498 579    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 77 2:00 PM  
AVERAGE 89  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 68 2007  
MINIMUM TEMPERATURE (F) 37 24 2016  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 7:28 AM PST SUNSET 5:00 PM PST  
JANUARY 1 2024.......SUNRISE 7:29 AM PST SUNSET 5:01 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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