687  
CDUS46 KMTR 050042  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
442 PM PST MON DEC 04 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 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 68 2:57 PM 69 2020 59 9 59  
MINIMUM 47 4:31 AM 26 2004 38 9 46  
2013  
AVERAGE 58 48 10 53  
 
PRECIPITATION (IN)  
TODAY 0.00 0.71 2012 0.19 -0.19 0.27  
MONTH TO DATE 0.10 0.76 -0.66 1.30  
SINCE OCT 1 2.92 5.99 -3.07 2.54  
SINCE JAN 1 34.00 27.78 6.22 8.22  
 
DEGREE DAYS  
HEATING  
TODAY 7 12  
MONTH TO DATE 43 84  
SINCE DEC 1 43 84  
SINCE JUL 1 489 683  
 
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 SE (140)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 1.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 66 2:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 69 2007  
MINIMUM TEMPERATURE (F) 37 24 2013  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 7:12 AM PST SUNSET 4:50 PM PST  
DECEMBER 5 2023......SUNRISE 7:13 AM PST SUNSET 4:50 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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