018  
CDUS46 KMTR 170834  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1234 AM PST TUE DEC 17 2024  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 50 11:21 PM 70 2011 57 -7 67  
MINIMUM 41 1:57 AM 26 2022 37 4 32  
AVERAGE 46 47 -1 50  
 
PRECIPITATION (IN)  
YESTERDAY 1.24 1.28 2002 0.22 1.02 0.00  
MONTH TO DATE 5.54 3.36 2.18 0.52  
SINCE OCT 1 21.45 8.59 12.86 3.34  
SINCE JAN 1 46.94 30.38 16.56 34.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 15  
MONTH TO DATE 235 239  
SINCE DEC 1 235 239  
SINCE JUL 1 743 685  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 705 498    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 97 1:00 AM  
AVERAGE 99  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 69 2017  
MINIMUM TEMPERATURE (F) 37 24 2008  
 
SUNRISE AND SUNSET  
DECEMBER 17 2024......SUNRISE 7:23 AM PST SUNSET 4:52 PM PST  
DECEMBER 18 2024......SUNRISE 7:24 AM PST SUNSET 4:53 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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