866  
CDUS45 KBOU 180731  
CLIGXY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
131 AM MDT THU SEP 18 2025  
   
...............................
 
 
   
..THE GREELEY CO CLIMATE SUMMARY FOR SEPTEMBER 17 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 70 82 -12 87  
MINIMUM 48 48 0 48  
AVERAGE 59  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6  
MONTH TO DATE 22  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 50    
............................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (340)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 43  
AVERAGE 70  
   
......................................................
 
 
THE GREELEY CO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 MM MM  
MINIMUM TEMPERATURE (F) 48 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 643 AM MDT SUNSET 702 PM MDT  
SEPTEMBER 19 2025.....SUNRISE 643 AM MDT SUNSET 700 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CO Page Main Text Page