128  
CDUS46 KMTR 190845  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
144 AM PDT TUE JUN 19 2018  
 
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JUNE 18 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 135 PM 106 2017 82 -7 106  
MINIMUM 53 1142 PM 46 2015 50 3 63  
2010  
2008  
AVERAGE 64 66 -2 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 2005 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.17 -0.17 0.27  
SINCE OCT 1 24.83 35.77 -10.94 60.37  
SINCE JAN 1 18.52 22.02 -3.50 41.95  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 0  
MONTH TO DATE 20 34  
SINCE JUN 1 20 34  
SINCE JUL 1 2696 2736  
 
COOLING  
YESTERDAY 0 20  
MONTH TO DATE 38 62  
SINCE JUN 1 38 62  
SINCE JAN 1 52 99    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 49 200 PM  
AVERAGE 75  
   
......................................................
 
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 2008  
MINIMUM TEMPERATURE (F) 50 44 2010  
 
 
SUNRISE AND SUNSET  
JUNE 19 2018..........SUNRISE 547 AM PDT SUNSET 838 PM PDT  
JUNE 20 2018..........SUNRISE 547 AM PDT SUNSET 839 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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