034  
CDUS45 KBOU 111403  
CLIDEN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
803 AM MDT THU SEP 11 2025  
   
...............................  
 
   
..THE DENVER CO CLIMATE SUMMARY FOR SEPTEMBER 11 2025  
 
VALID AS OF 0800 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 71 252 AM 97 2021 82 -11 86  
MINIMUM 63 653 AM 32 1898 52 11 57  
AVERAGE 67 67 0 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.75 1913 0.05 -0.05  
MONTH TO DATE T 0.49 -0.49  
SINCE JAN 1 13.10 11.64 1.46  
   
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 7.9  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 700 AM  
LOWEST 38 300 AM  
AVERAGE 61  
   
......................................................  
 
THE DENVER CO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 94 1911  
MINIMUM TEMPERATURE (F) 52 31 1902  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2025.....SUNRISE 636 AM MDT SUNSET 713 PM MDT  
SEPTEMBER 12 2025.....SUNRISE 637 AM MDT SUNSET 712 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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