211  
CDUS46 KMTR 130045  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
545 PM PDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 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 84 2:38 PM 102 2003 84 0 87  
MINIMUM 50 6:10 AM 45 2005 50 0 55  
AVERAGE 67 67 0 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.06 2009 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE OCT 1 41.86 33.67 8.19 26.17  
SINCE JAN 1 30.91 21.68 9.23 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 2 6  
MONTH TO DATE 40 138  
SINCE SEP 1 40 138  
SINCE JAN 1 427 540    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 42 4:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2003  
MINIMUM TEMPERATURE (F) 50 45 2021  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 6:50 AM PDT SUNSET 7:24 PM PDT  
SEPTEMBER 13 2023.....SUNRISE 6:51 AM PDT SUNSET 7:23 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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