016  
CDUS46 KMTR 160032  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
432 PM PST FRI DEC 15 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 61 3:59 PM 78 2013 57 4 55  
MINIMUM 33 8:01 AM 28 1999 37 -4 30  
AVERAGE 47 47 0 43  
 
PRECIPITATION (IN)  
TODAY 0.00 2.57 2016 0.23 -0.23 0.00  
MONTH TO DATE 0.52 3.14 -2.62 4.16  
SINCE OCT 1 3.34 8.37 -5.03 5.40  
SINCE JAN 1 34.42 30.16 4.26 11.08  
 
DEGREE DAYS  
HEATING  
TODAY 18 22  
MONTH TO DATE 224 293  
SINCE DEC 1 224 293  
SINCE JUL 1 670 892  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 498 579    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 6 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 1.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 70 2011  
MINIMUM TEMPERATURE (F) 37 26 2022  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 7:21 AM PST SUNSET 4:51 PM PST  
DECEMBER 16 2023......SUNRISE 7:22 AM PST SUNSET 4:52 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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