975  
CDUS46 KMTR 280041  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
541 PM PDT TUE MAY 27 2025  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR MAY 27 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 1:09 PM 95 2020 77 2 77  
MINIMUM 47 5:28 AM 39 2021 48 -1 45  
AVERAGE 63 63 0 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.92 2010 0.03 -0.03 0.00  
MONTH TO DATE 0.09 1.15 -1.06 0.82  
SINCE OCT 1 41.11 33.16 7.95 36.97  
SINCE JAN 1 15.52 21.17 -5.65 25.41  
 
DEGREE DAYS  
HEATING  
TODAY 2 4  
MONTH TO DATE 84 108  
SINCE MAR 1 723 715  
SINCE JUL 1 2529 2367  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 16 13  
SINCE MAR 1 18 13  
SINCE JAN 1 18 13    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 44 1:00 PM  
AVERAGE 72  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 93 2003  
MINIMUM TEMPERATURE (F) 48 37 2010  
 
SUNRISE AND SUNSET  
MAY 27 2025...........SUNRISE 5:51 AM PDT SUNSET 8:26 PM PDT  
MAY 28 2025...........SUNRISE 5:51 AM PDT SUNSET 8:27 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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