582  
CDUS45 KRIW 140727  
CLIWRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SUN SEP 14 2025  
   
...............................
 
 
   
..THE WORLAND WY CLIMATE SUMMARY FOR SEPTEMBER 13 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1947 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 2:47 PM 92 2006 78 -8 72  
2015  
MINIMUM 49 11:52 PM 27 1974 43 6 36  
AVERAGE 60 61 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.64 1998 0.03 -0.02 0.00  
MONTH TO DATE 0.18 0.32 -0.14 0.16  
SINCE SEP 1 0.18 0.32 -0.14 0.16  
SINCE JAN 1 5.15 5.80 -0.65 3.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 6 -1 11  
MONTH TO DATE 21 52 -31 22  
SINCE SEP 1 21 52 -31 22  
SINCE JUL 1 27 90 -63 57  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 24 24 0 33  
SINCE SEP 1 24 24 0 33  
SINCE JAN 1 558 521 37 530    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.0  
 
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 89 3:00 AM  
LOWEST 40 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE WORLAND WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 91 1997  
2015  
MINIMUM TEMPERATURE (F) 43 26 1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2025.....SUNRISE 6:50 AM MDT SUNSET 7:23 PM MDT  
SEPTEMBER 15 2025.....SUNRISE 6:51 AM MDT SUNSET 7:21 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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