021  
CDUS45 KGJT 182350  
CLIASE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
550 PM MDT THU SEP 18 2025  
   
...............................  
 
   
..THE ASPEN CO CLIMATE SUMMARY FOR SEPTEMBER 18 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 336 PM MM MM 72 -3 70  
MINIMUM 34 549 AM MM MM 39 -5 32  
AVERAGE 52 56 -4 51  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.05 -0.05 0.00  
MONTH TO DATE 0.94 0.85 0.09 0.47  
SINCE SEP 1 0.94 0.85 0.09 0.47  
SINCE JAN 1 7.25 11.15 -3.90 11.71  
 
SNOWFALL (IN)  
TODAY MM MM MM MM MM MM  
MONTH TO DATE T 0.0 0.0 T  
SINCE SEP 1 T 0.0 0.0 T  
SINCE JUL 1 T MM MM T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 13 10 3 14  
MONTH TO DATE 132 125 7 132  
SINCE SEP 1 132 125 7 132  
SINCE JUL 1 204 242 -38 273  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JAN 1 93 86 7 59    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 20 200 PM  
AVERAGE 55  
   
......................................................  
 
THE ASPEN CO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 MM MM  
MINIMUM TEMPERATURE (F) 39 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 652 AM MDT SUNSET 710 PM MDT  
SEPTEMBER 19 2025.....SUNRISE 653 AM MDT SUNSET 709 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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