686  
CDUS46 KMTR 200045  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
545 PM PDT SAT APR 19 2025  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR APRIL 19 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 61 2:11 PM 90 2009 70 -9 68  
MINIMUM 43 1:30 AM 34 2008 43 0 49  
AVERAGE 52 56 -4 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.54 2004 0.06 -0.06 0.00  
MONTH TO DATE 0.34 1.60 -1.26 0.90  
SINCE OCT 1 40.86 31.51 9.35 36.15  
SINCE JAN 1 15.27 19.52 -4.25 24.59  
 
DEGREE DAYS  
HEATING  
TODAY 13 6  
MONTH TO DATE 157 177  
SINCE MAR 1 544 554  
SINCE JUL 1 2350 2206  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 2 0  
SINCE JAN 1 2 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 72 4:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 93 2009  
MINIMUM TEMPERATURE (F) 43 32 2008  
 
SUNRISE AND SUNSET  
APRIL 19 2025.........SUNRISE 6:29 AM PDT SUNSET 7:52 PM PDT  
APRIL 20 2025.........SUNRISE 6:28 AM PDT SUNSET 7:53 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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