506  
CDUS45 KRIW 170742  
CLIWRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
142 AM MDT SAT MAY 17 2025  
   
...............................  
 
   
..THE WORLAND WY CLIMATE SUMMARY FOR MAY 16 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 62 MM 94 1988 70 -8 78  
MINIMUM 39 MM 27 1974 40 -1 42  
AVERAGE 51 55 -4  
 
PRECIPITATION (IN)  
YESTERDAY T 0.52 1961 0.06 -0.06 MM  
MONTH TO DATE 1.14 0.81 0.33 T  
SINCE MAR 1 2.89 2.23 0.66 1.10  
SINCE JAN 1 3.01 2.62 0.39 1.43  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 10 4 5  
MONTH TO DATE 168 209 -41 242  
SINCE MAR 1 1637 1700 -63 1678  
SINCE JUL 1 7191 7738 -547 7257  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 61  
   
......................................................  
 
THE WORLAND WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1970  
MINIMUM TEMPERATURE (F) 41 32 1999  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 5:43 AM MDT SUNSET 8:34 PM MDT  
MAY 18 2025...........SUNRISE 5:42 AM MDT SUNSET 8:35 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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