426  
CDUS45 KBOU 110748  
CLIAPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
148 AM MDT THU SEP 11 2025  
   
...............................  
 
   
..THE CENTENNIAL CO CLIMATE SUMMARY FOR SEPTEMBER 10 2025  
 
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 90 80 10 86  
MINIMUM 54 51 3 56  
AVERAGE 72 65 7 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM 0.00  
MONTH TO DATE 0.08 0.00 0.65  
SINCE OCT 1 12.40 13.73 12.67  
SINCE JAN 1 10.50 11.85 11.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0  
MONTH TO DATE 10  
 
COOLING  
YESTERDAY 7  
MONTH TO DATE 43    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (170)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72  
LOWEST 11  
AVERAGE 42  
   
......................................................  
 
THE CENTENNIAL CO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 MM MM  
MINIMUM TEMPERATURE (F) 51 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2025.....SUNRISE 637 AM MDT SUNSET 714 PM MDT  
SEPTEMBER 12 2025.....SUNRISE 638 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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