637  
CDUS46 KMTR 100037  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
537 PM PDT SAT SEP 09 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 2:25 PM 102 2015 84 4 95  
MINIMUM 48 5:08 AM 39 2012 50 -2 51  
AVERAGE 68 67 1 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.01 2003 0.00 0.00 0.00  
MONTH TO DATE T 0.01 -0.01 0.00  
SINCE OCT 1 41.86 33.66 8.20 26.17  
SINCE JAN 1 30.91 21.67 9.24 4.72  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 0 0  
SINCE JUL 1 10 4  
 
COOLING  
TODAY 3 8  
MONTH TO DATE 26 119  
SINCE SEP 1 26 119  
SINCE JAN 1 413 521    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 25 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 102 2015  
MINIMUM TEMPERATURE (F) 50 43 2012  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2023.....SUNRISE 6:47 AM PDT SUNSET 7:29 PM PDT  
SEPTEMBER 10 2023.....SUNRISE 6:48 AM PDT SUNSET 7:27 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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