877  
CDUS46 KMTR 100834  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
134 AM PDT TUE OCT 10 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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 66 2:08 PM 92 1999 79 -13 74  
MINIMUM 53 12:16 AM 40 2019 47 6 49  
AVERAGE 60 63 -3 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.72 2007 0.03 0.00 0.00  
MONTH TO DATE 0.03 0.22 -0.19 0.00  
SINCE OCT 1 0.03 0.22 -0.19 0.00  
SINCE JAN 1 31.11 22.01 9.10 5.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 3  
MONTH TO DATE 11 15  
SINCE SEP 1 30 29  
SINCE JUL 1 40 33  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 37 4  
SINCE SEP 1 94 168  
SINCE JAN 1 481 570    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 PM  
LOWEST 75 10:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 1999  
MINIMUM TEMPERATURE (F) 47 40 2001  
2021  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 7:15 AM PDT SUNSET 6:41 PM PDT  
OCTOBER 11 2023.......SUNRISE 7:16 AM PDT SUNSET 6:39 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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