011  
CDUS46 KMTR 230029  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
429 PM PST FRI DEC 22 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 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 70R 2:17 PM 70 1999 57 13 52  
2014  
MINIMUM 40 7:03 AM 21 1998 37 3 42  
AVERAGE 55 47 8 47  
 
PRECIPITATION (IN)  
TODAY T 1.09 2005 0.23 -0.23 T  
MONTH TO DATE 5.59 4.70 0.89 4.16  
SINCE OCT 1 8.41 9.93 -1.52 5.40  
SINCE JAN 1 39.49 31.72 7.77 11.08  
 
DEGREE DAYS  
HEATING  
TODAY 10 18  
MONTH TO DATE 301 441  
SINCE DEC 1 301 441  
SINCE JUL 1 747 1040  
 
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 NW (300)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 70 2004  
MINIMUM TEMPERATURE (F) 37 21 1998  
 
SUNRISE AND SUNSET  
DECEMBER 22 2023......SUNRISE 7:25 AM PST SUNSET 4:54 PM PST  
DECEMBER 23 2023......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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