070  
CDUS45 KRIW 310728  
CLIWRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SUN AUG 31 2025  
   
...............................  
 
   
..THE WORLAND WY CLIMATE SUMMARY FOR AUGUST 30 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 81 4:22 PM 99 1999 84 -3 85  
MINIMUM 55 11:27 PM 34 1964 48 7 44  
AVERAGE 68 66 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.41 1971 0.01 0.02 0.00  
MONTH TO DATE 0.06 0.38 -0.32 0.89  
SINCE JUN 1 1.49 1.99 -0.50 1.59  
SINCE JAN 1 4.97 5.46 -0.49 3.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 3 21 -18 21  
SINCE JUN 1 84 123 -39 85  
SINCE JUL 1 6 32 -26 35  
 
COOLING  
YESTERDAY 3 3 0 0  
MONTH TO DATE 199 173 26 164  
SINCE JUN 1 532 486 46 496  
SINCE JAN 1 532 495 37 496    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 7:00 AM  
LOWEST 27 3:00 PM  
AVERAGE 59  
   
......................................................  
 
THE WORLAND WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1991  
MINIMUM TEMPERATURE (F) 48 36 1993  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 6:34 AM MDT SUNSET 7:49 PM MDT  
SEPTEMBER 1 2025.....SUNRISE 6:36 AM MDT SUNSET 7:47 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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