919  
CDUS46 KMTR 180039  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
539 PM PDT TUE SEP 17 2019  
 
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 79 155 PM 98 2000 83 -4 79  
MINIMUM 46 605 AM 44 2018 49 -3 44  
2008  
AVERAGE 63 66 -3 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.01 2014 0.01 -0.01 0.00  
MONTH TO DATE 0.11 0.12 -0.01 0.00  
SINCE OCT 1 48.15 36.05 12.10 24.83  
SINCE JAN 1 38.50 22.30 16.20 18.52  
 
DEGREE DAYS  
HEATING  
TODAY 2 3  
MONTH TO DATE 2 18  
SINCE SEP 1 2 18  
SINCE JUL 1 4 39  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 78 27  
SINCE SEP 1 78 27  
SINCE JAN 1 491 352    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 200 AM  
LOWEST 33 300 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 2000  
MINIMUM TEMPERATURE (F) 49 41 2008  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2019.....SUNRISE 654 AM PDT SUNSET 716 PM PDT  
SEPTEMBER 18 2019.....SUNRISE 655 AM PDT SUNSET 715 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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