585  
CDUS45 KBOU 132229  
CLIDEN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
429 PM MDT SAT SEP 13 2025  
   
...............................  
 
   
..THE DENVER CO CLIMATE SUMMARY FOR SEPTEMBER 13 2025  
 
VALID TODAY AS OF 0400 PM 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 76 216 PM 96 1895 81 -5 83  
1990  
2018  
MINIMUM 56 616 AM 33 1993 51 5 55  
AVERAGE 66 66 0 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.64 1993 0.04 -0.04 0.00  
MONTH TO DATE 0.09 0.57 -0.48 0.30  
SINCE OCT 1 15.32 13.70 1.62 11.87  
SINCE JAN 1 13.19 11.72 1.47 11.05  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 12 22 -10 0  
SINCE SEP 1 12 22 -10 0  
SINCE JUL 1 12 35 -23 3  
 
COOLING  
TODAY 1 4 -3 4  
MONTH TO DATE 56 64 -8 100  
SINCE SEP 1 56 64 -8 100  
SINCE JAN 1 833 807 26 1058    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 600 AM  
LOWEST 37 300 PM  
AVERAGE 55  
   
......................................................  
 
THE DENVER CO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 92 1948  
2018  
MINIMUM TEMPERATURE (F) 51 29 2003  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2025.....SUNRISE 638 AM MDT SUNSET 710 PM MDT  
SEPTEMBER 14 2025.....SUNRISE 639 AM MDT SUNSET 708 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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