428  
CDUS45 KBOU 120734  
CLIDEN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
134 AM MDT SAT SEP 12 2026  
   
...............................
 
 
   
..THE DENVER CO CLIMATE SUMMARY FOR SEPTEMBER 11 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 MM 97 2021 82 7 86  
MINIMUM 62 MM 32 1898 52 10 61  
AVERAGE 76 67 9 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.75 1913 0.05 -0.05 0.09  
MONTH TO DATE T 0.49 -0.49 0.09  
SINCE OCT 1 7.80 13.62 -5.82 15.32  
SINCE JAN 1 7.24 11.64 -4.40 13.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 17 -17 12  
SINCE SEP 1 0 17 -17 12  
SINCE JUL 1 2 30 -28 12  
 
COOLING  
YESTERDAY 11 4 7 9  
MONTH TO DATE 102 56 46 52  
SINCE SEP 1 102 56 46 52  
SINCE JAN 1 1093 799 294 829    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 200 AM  
LOWEST 9 1000 AM  
AVERAGE 39  
   
......................................................
 
 
THE DENVER CO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 94 1911  
MINIMUM TEMPERATURE (F) 52 31 1902  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2026.....SUNRISE 637 AM MDT SUNSET 712 PM MDT  
SEPTEMBER 13 2026.....SUNRISE 638 AM MDT SUNSET 710 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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