404  
CDUS45 KBOU 130735  
CLI33V  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
135 AM MDT SUN SEP 13 2026  
   
...............................  
 
   
..THE WALDEN CLIMATE SUMMARY FOR SEPTEMBER 12 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED NORMAL DEPARTURE LAST  
VALUE VALUE FROM YEAR  
NORMAL    
............................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 68 9 MM  
MINIMUM 41 30 11 MM  
AVERAGE 59 49 10 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6  
MONTH TO DATE 105  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 0    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (220)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE WALDEN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 MM MM  
MINIMUM TEMPERATURE (F) 30 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2026.....SUNRISE 644 AM MDT SUNSET 717 PM MDT  
SEPTEMBER 14 2026.....SUNRISE 645 AM MDT SUNSET 715 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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