000  
CDUS46 KMTR 170829  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT SAT MAY 17 2025  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR MAY 16 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 2:03 PM 97 2008 75 6 65  
MINIMUM 46 5:21 AM 38 1999 47 -1 51  
AVERAGE 64 61 3 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.67 2011 0.04 -0.04 0.00  
MONTH TO DATE 0.09 0.76 -0.67 0.82  
SINCE OCT 1 41.11 32.77 8.34 36.97  
SINCE JAN 1 15.52 20.78 -5.26 25.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 7  
MONTH TO DATE 63 72  
SINCE MAR 1 702 679  
SINCE JUL 1 2508 2331  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 8 12  
SINCE MAR 1 10 12  
SINCE JAN 1 10 12    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 38 2:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 96 2009  
MINIMUM TEMPERATURE (F) 47 40 2007  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 5:58 AM PDT SUNSET 8:18 PM PDT  
MAY 18 2025...........SUNRISE 5:57 AM PDT SUNSET 8:19 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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