404  
CDUS46 KMTR 210826  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT MON AUG 21 2017  
 
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 350 PM 89 2007 84 -10 79  
MINIMUM 56 424 AM 47 2000 51 5 55  
AVERAGE 65 67 -2 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2014 0.01 -0.01 0.00  
MONTH TO DATE T 0.02 -0.02 T  
SINCE OCT 1 60.37 35.87 24.50 32.14  
SINCE JAN 1 41.95 22.12 19.83 23.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 1 4  
SINCE JUN 1 35 32  
SINCE JUL 1 1 11  
 
COOLING  
YESTERDAY 0 2  
MONTH TO DATE 76 30  
SINCE JUN 1 339 213  
SINCE JAN 1 376 242    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 57 200 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 96 2007  
MINIMUM TEMPERATURE (F) 51 45 2001  
 
 
SUNRISE AND SUNSET  
AUGUST 21 2017........SUNRISE 631 AM PDT SUNSET 757 PM PDT  
AUGUST 22 2017........SUNRISE 632 AM PDT SUNSET 755 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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