359  
CDUS46 KMTR 210831  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT TUE MAY 21 2013  
 
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR MAY 20 2013
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2013  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 MM 91 2001 75 15 85  
MINIMUM 50 MM 39 2009 47 3 47  
AVERAGE 70 61 9 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.33 2002 0.03 -0.03 0.00  
MONTH TO DATE T 1.06 -1.06 0.13  
SINCE JUL 1 27.26 35.77 -8.51 23.23  
SINCE JAN 1 4.85 21.58 -16.73 18.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 39 67  
SINCE MAR 1 548 752  
SINCE JUL 1 2625 2828  
 
COOLING  
YESTERDAY 5 1  
MONTH TO DATE 29 12  
SINCE MAR 1 47 22  
SINCE JAN 1 47 22    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 7.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 14 300 PM  
AVERAGE 50  
   
......................................................
 
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 2000  
MINIMUM TEMPERATURE (F) 47 42 2010  
 
 
SUNRISE AND SUNSET  
MAY 21 2013...........SUNRISE 555 AM PDT SUNSET 821 PM PDT  
MAY 22 2013...........SUNRISE 554 AM PDT SUNSET 822 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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