980  
CDUS46 KMTR 220036  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT SUN JUL 21 2019  
 
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 21 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 82 344 PM 99 2006 83 -1 83  
MINIMUM 52 556 AM 47 2001 52 0 57  
AVERAGE 67 67 0 70  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2014 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE OCT 1 48.04 35.85 12.19 24.83  
SINCE JAN 1 38.39 22.10 16.29 18.52  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 2 6  
SINCE JUN 1 22 31  
SINCE JUL 1 2 6  
 
COOLING  
TODAY 2 5  
MONTH TO DATE 74 84  
SINCE JUN 1 156 166  
SINCE JAN 1 174 180    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 3.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 45 300 PM  
AVERAGE 73  
   
......................................................
 
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 108 2006  
MINIMUM TEMPERATURE (F) 52 47 2016  
 
 
SUNRISE AND SUNSET  
JULY 21 2019..........SUNRISE 604 AM PDT SUNSET 831 PM PDT  
JULY 22 2019..........SUNRISE 605 AM PDT SUNSET 830 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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