371  
CDUS45 KRIW 150735  
CLIWRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
135 AM MDT TUE SEP 15 2026  
   
...............................  
 
   
..THE WORLAND WY CLIMATE SUMMARY FOR SEPTEMBER 14 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1947 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 4:27 PM 91 1997 77 -5 80  
2015  
MINIMUM 46 11:58 PM 26 1993 43 3 42  
AVERAGE 59 60 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 0.86 1994 0.03 0.16 0.00  
MONTH TO DATE 0.19 0.35 -0.16 0.18  
SINCE SEP 1 0.19 0.35 -0.16 0.18  
SINCE JAN 1 2.42 5.83 -3.41 5.15  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 6 0 4  
MONTH TO DATE 21 58 -37 25  
SINCE SEP 1 21 58 -37 25  
SINCE JUL 1 25 96 -71 31  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 46 25 21 24  
SINCE SEP 1 46 25 21 24  
SINCE JAN 1 783 522 261 558    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 18 4:00 PM  
AVERAGE 54  
   
......................................................  
 
THE WORLAND WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 2000  
2018  
MINIMUM TEMPERATURE (F) 43 30 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2026.....SUNRISE 6:51 AM MDT SUNSET 7:22 PM MDT  
SEPTEMBER 16 2026.....SUNRISE 6:52 AM MDT SUNSET 7:20 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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