727  
CDUS45 KBOU 211229  
CLIDEN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
629 AM MDT SUN SEP 21 2025  
   
...............................
 
 
   
..THE DENVER CO CLIMATE SUMMARY FOR SEPTEMBER 21 2025
 
 
VALID AS OF 0600 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 61 1224 AM 92 2017 78 -17 70  
MINIMUM 49 435 AM 27 1995 48 1 49  
AVERAGE 55 63 -8 60  
 
PRECIPITATION (IN)  
TODAY 0.00 2.70 1902 0.04 -0.04  
MONTH TO DATE 0.41 0.93 -0.52  
SINCE JAN 1 13.51 12.08 1.43  
   
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.8  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 500 AM  
LOWEST 56 1200 AM  
AVERAGE 67  
   
......................................................
 
 
THE DENVER CO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 89 1953  
MINIMUM TEMPERATURE (F) 48 27 1895  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 646 AM MDT SUNSET 657 PM MDT  
SEPTEMBER 22 2025.....SUNRISE 647 AM MDT SUNSET 655 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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