829  
CDUS46 KMTR 270829  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT WED SEP 27 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 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 2:06 PM 101 2009 82 -4 79  
MINIMUM 52 11:55 PM 43 2004 49 3 52  
AVERAGE 65 65 0 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 0.55 2014 0.01 0.06 0.00  
MONTH TO DATE 0.16 0.09 0.07 0.95  
SINCE OCT 1 42.02 33.74 8.28 27.12  
SINCE JAN 1 31.07 21.75 9.32 5.67  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 18 14  
SINCE SEP 1 18 14  
SINCE JUL 1 28 18  
 
COOLING  
YESTERDAY 0 1  
MONTH TO DATE 54 156  
SINCE SEP 1 54 156  
SINCE JAN 1 441 558    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 102 2010  
2020  
MINIMUM TEMPERATURE (F) 48 43 2008  
2013  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2023.....SUNRISE 7:03 AM PDT SUNSET 7:00 PM PDT  
SEPTEMBER 28 2023.....SUNRISE 7:04 AM PDT SUNSET 6:59 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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