277  
CDUS46 KMTR 090837  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT MON OCT 09 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 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 82 2:48 PM 95 2014 80 2 82  
MINIMUM 50 6:40 AM 39 2007 47 3 47  
AVERAGE 66 63 3 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.02 1998 0.03 -0.03 0.00  
MONTH TO DATE 0.00 0.19 -0.19 0.00  
SINCE OCT 1 0.00 0.19 -0.19 0.00  
SINCE JAN 1 31.08 21.98 9.10 5.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 6 12  
SINCE SEP 1 25 26  
SINCE JUL 1 35 30  
 
COOLING  
YESTERDAY 1 0  
MONTH TO DATE 37 4  
SINCE SEP 1 94 168  
SINCE JAN 1 481 570    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 PM  
LOWEST 38 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 1999  
MINIMUM TEMPERATURE (F) 47 40 2019  
 
SUNRISE AND SUNSET  
OCTOBER 9 2023.......SUNRISE 7:14 AM PDT SUNSET 6:42 PM PDT  
OCTOBER 10 2023.......SUNRISE 7:15 AM PDT SUNSET 6:41 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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