435  
CDUS46 KMTR 170836  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
136 AM PDT TUE OCT 17 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 16 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 78 2:50 PM 101 2020 77 1 65  
MINIMUM 46 12:14 AM 36 2013 46 0 48  
AVERAGE 62 62 0 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.26 2007 0.05 -0.05 0.00  
MONTH TO DATE 0.07 0.55 -0.48 0.01  
SINCE OCT 1 0.07 0.55 -0.48 0.01  
SINCE JAN 1 31.15 22.34 8.81 5.69  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 8  
MONTH TO DATE 36 40  
SINCE SEP 1 55 54  
SINCE JUL 1 65 58  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 38 4  
SINCE SEP 1 95 168  
SINCE JAN 1 482 570    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 55 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 98 2020  
MINIMUM TEMPERATURE (F) 45 37 2021  
 
SUNRISE AND SUNSET  
OCTOBER 17 2023.......SUNRISE 7:22 AM PDT SUNSET 6:30 PM PDT  
OCTOBER 18 2023.......SUNRISE 7:23 AM PDT SUNSET 6:29 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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