527  
CDUS46 KMTR 210827  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT MON AUG 21 2023  
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 5:38 PM 95 2022 85 3 95  
MINIMUM 59 3:53 AM 47 2000 52 7 53  
AVERAGE 74 68 6 74  
 
PRECIPITATION (IN)  
YESTERDAY T R T 2014 0.01 -0.01 0.00  
MONTH TO DATE T 0.02 -0.02 T  
SINCE OCT 1 41.86 33.62 8.24 26.17  
SINCE JAN 1 30.91 21.63 9.28 4.72  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE JUN 1 79 23  
SINCE JUL 1 10 4  
 
COOLING  
YESTERDAY 9 9  
MONTH TO DATE 121 107  
SINCE JUN 1 296 300  
SINCE JAN 1 312 360    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 29 6:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 97 2019  
MINIMUM TEMPERATURE (F) 52 45 2001  
 
SUNRISE AND SUNSET  
AUGUST 21 2023........SUNRISE 6:31 AM PDT SUNSET 7:57 PM PDT  
AUGUST 22 2023........SUNRISE 6:32 AM PDT SUNSET 7:56 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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