702  
CDUS45 KBOU 280733  
CLIAPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
133 AM MDT SUN SEP 28 2025  
   
...............................  
 
   
..THE CENTENNIAL CO CLIMATE SUMMARY FOR SEPTEMBER 27 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 80 72 8 83  
MINIMUM 50 44 6 58  
AVERAGE 65 58 7 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM 0.00  
MONTH TO DATE 1.32 0.00 1.13  
SINCE OCT 1 13.64 13.73 13.15  
SINCE JAN 1 11.74 11.85 12.06  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0  
MONTH TO DATE 66  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 62    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (150)  
 
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 61  
LOWEST 19  
AVERAGE 40  
   
......................................................  
 
THE CENTENNIAL CO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 MM MM  
MINIMUM TEMPERATURE (F) 43 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2025.....SUNRISE 653 AM MDT SUNSET 646 PM MDT  
SEPTEMBER 29 2025.....SUNRISE 654 AM MDT SUNSET 644 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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