099  
CDUS46 KMTR 010046  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
546 PM PDT WED APR 30 2025  
   
...............................  
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR APRIL 30 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 2:37 PM 91 2014 72 7 76  
2015  
MINIMUM 45 4:34 AM 35 2009 44 1 40  
AVERAGE 62 58 4 58  
 
PRECIPITATION (IN)  
TODAY 0.00 0.26 2002 0.03 -0.03 0.00  
MONTH TO DATE 0.34 2.10 -1.76 0.90  
SINCE OCT 1 40.86 32.01 8.85 36.15  
SINCE JAN 1 15.27 20.02 -4.75 24.59  
 
DEGREE DAYS  
HEATING  
TODAY 3 7  
MONTH TO DATE 160 230  
SINCE MAR 1 547 607  
SINCE JUL 1 2353 2259  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 2 0  
SINCE JAN 1 2 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 1:00 PM  
LOWEST 52 2:00 PM  
AVERAGE 53  
   
......................................................  
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 2013  
2014  
2017  
MINIMUM TEMPERATURE (F) 45 38 2008  
 
SUNRISE AND SUNSET  
APRIL 30 2025.........SUNRISE 6:15 AM PDT SUNSET 8:03 PM PDT  
MAY 1 2025...........SUNRISE 6:14 AM PDT SUNSET 8:03 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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