859  
CDUS45 KCYS 180730  
CLILAR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
130 AM MDT THU SEP 18 2025  
   
...............................  
 
...THE LARAMIE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1948 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 322 PM 85 2000 70 -19 79  
MINIMUM 38 324 AM 7 1965 38 0 39  
AVERAGE 45 54 -9 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 0.75 1959 0.04 0.02 0.07  
MONTH TO DATE 1.00 0.63 0.37 0.50  
SINCE SEP 1 1.00 0.63 0.37 0.50  
SINCE JAN 1 9.11 8.47 0.64 9.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 11 9 6  
MONTH TO DATE 121 141 -20 62  
SINCE SEP 1 121 141 -20 62  
SINCE JUL 1 211 291 -80 129  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 3  
SINCE SEP 1 2 0 2 3  
SINCE JAN 1 150 83 67 272    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 65 200 PM  
AVERAGE 83  
   
......................................................  
 
THE LARAMIE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 85 2018  
MINIMUM TEMPERATURE (F) 38 13 1971  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 646 AM MDT SUNSET 706 PM MDT  
SEPTEMBER 19 2025.....SUNRISE 647 AM MDT SUNSET 704 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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