272  
CDUS45 KBOU 210735  
CLIAPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
135 AM MDT MON SEP 21 2026  
   
...............................
 
 
   
..THE CENTENNIAL CO CLIMATE SUMMARY FOR SEPTEMBER 20 2026
 
 
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 72 76 -4 79  
MINIMUM 49 47 2 50  
AVERAGE 61 61 0 65  
 
PRECIPITATION (IN)  
YESTERDAY 1.01 MM 0.03  
MONTH TO DATE 2.63 0.00 0.35  
SINCE OCT 1 11.72 13.73 12.67  
SINCE JAN 1 11.07 11.85 10.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4  
MONTH TO DATE 7  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 120    
............................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
HAIL  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 40  
AVERAGE 69  
   
......................................................
 
 
THE CENTENNIAL CO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 MM MM  
MINIMUM TEMPERATURE (F) 47 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2026.....SUNRISE 646 AM MDT SUNSET 658 PM MDT  
SEPTEMBER 22 2026.....SUNRISE 647 AM MDT SUNSET 656 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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