048  
CDUS45 KRIW 290731  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT MON MAY 29 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 28 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 3:11 PM 90 2003 72 1 66  
MINIMUM 44 4:10 AM 35 2011 43 1 47  
AVERAGE 59 58 1 57  
 
PRECIPITATION (IN)  
YESTERDAY T 0.44 0.05 -0.05 T  
MONTH TO DATE 0.23 1.75 -1.52 1.82  
SINCE MAR 1 2.34 3.60 -1.26 3.94  
SINCE JAN 1 4.48 4.29 0.19 4.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2021 0.0  
MONTH TO DATE 0.0 T  
SINCE MAR 1 22.5 17.4  
SINCE JUL 1 87.1 31.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 8 -2 8  
MONTH TO DATE 232 352 -120 387  
SINCE MAR 1 2438 1911 527 2076  
SINCE JUL 1 9059 7789 1270 7116  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE MAR 1 0 0 0 2  
SINCE JAN 1 0 0 0 2    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 4:00 AM  
LOWEST 23 3:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 93 2003  
MINIMUM TEMPERATURE (F) 44 33 2011  
 
SUNRISE AND SUNSET  
MAY 29 2023...........SUNRISE 5:39 AM MDT SUNSET 8:44 PM MDT  
MAY 30 2023...........SUNRISE 5:38 AM MDT SUNSET 8:45 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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