534  
CDUS46 KMTR 060835  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1235 AM PST WED DEC 06 2023  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 5 2023  
 
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)  
YESTERDAY  
MAXIMUM 65 3:15 PM 69 2007 59 6 59  
MINIMUM 47 11:37 PM 24 2013 37 10 45  
AVERAGE 56 48 8 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.05 2010 0.20 -0.20 0.40  
MONTH TO DATE 0.10 0.96 -0.86 1.70  
SINCE OCT 1 2.92 6.19 -3.27 2.94  
SINCE JAN 1 34.00 27.98 6.02 8.62  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 13  
MONTH TO DATE 52 97  
SINCE DEC 1 52 97  
SINCE JUL 1 498 696  
 
COOLING  
YESTERDAY 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 S (160)  
HIGHEST WIND SPEED 5 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 70 3:00 PM  
AVERAGE 85  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 66 2001  
2020  
MINIMUM TEMPERATURE (F) 37 22 2013  
 
SUNRISE AND SUNSET  
DECEMBER 6 2023......SUNRISE 7:14 AM PST SUNSET 4:50 PM PST  
DECEMBER 7 2023......SUNRISE 7:15 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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