018  
CDUS46 KMTR 180826  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT WED SEP 18 2024  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 2:16 PM 98 2000 83 -10 75  
MINIMUM 54 6:34 AM 44 2008 50 4 56  
2018  
AVERAGE 64 66 -2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03 2022 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.04 -0.04 T  
SINCE OCT 1 37.05 33.69 3.36 41.86  
SINCE JAN 1 25.49 21.70 3.79 30.91  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 0  
MONTH TO DATE 6 0  
SINCE SEP 1 6 0  
SINCE JUL 1 15 10  
 
COOLING  
YESTERDAY 0 1  
MONTH TO DATE 51 53  
SINCE SEP 1 51 53  
SINCE JAN 1 555 440    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 PM  
LOWEST 83 9:00 PM  
AVERAGE 85  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 2000  
MINIMUM TEMPERATURE (F) 49 41 2008  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 6:56 AM PDT SUNSET 7:14 PM PDT  
SEPTEMBER 19 2024.....SUNRISE 6:57 AM PDT SUNSET 7:12 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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