509  
CDUS46 KMTR 170837  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1237 AM PST WED JAN 17 2024  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JANUARY 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 54 1:45 PM 73 2014 58 -4 56  
MINIMUM 39 12:20 AM 22 2007 38 1 38  
AVERAGE 47 48 -1 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.42 2.26 2019 0.21 0.21 0.02  
MONTH TO DATE 2.95 3.69 -0.74 13.17  
SINCE OCT 1 14.51 15.68 -1.17 24.12  
SINCE JAN 1 2.95 3.69 -0.74 13.17  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 18  
MONTH TO DATE 235 225  
SINCE DEC 1 655 795  
SINCE JUL 1 1101 1394  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 1.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 83 12:00 PM  
AVERAGE 92  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 76 2021  
MINIMUM TEMPERATURE (F) 38 21 2012  
 
SUNRISE AND SUNSET  
JANUARY 17 2024.......SUNRISE 7:27 AM PST SUNSET 5:16 PM PST  
JANUARY 18 2024.......SUNRISE 7:26 AM PST SUNSET 5:17 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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