874  
CDUS45 KRIW 180028  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
628 PM MDT WED MAY 17 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 17 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 73 12:32 PM 83 2006 67 6 74  
MINIMUM 48 1:38 AM 30 1999 40 8 47  
AVERAGE 61 54 7 61  
 
PRECIPITATION (IN)  
TODAY 0.01 1.12 2000 0.06 -0.05 0.00  
MONTH TO DATE 0.15 1.08 -0.93 1.79  
SINCE MAR 1 2.26 2.93 -0.67 3.91  
SINCE JAN 1 4.40 3.62 0.78 4.56  
 
SNOWFALL (IN)  
TODAY 0.0 0.0  
MONTH TO DATE 0.0 0.0  
SINCE MAR 1 22.5 17.4  
SINCE JUL 1 87.1 31.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 4 12 -8 4  
MONTH TO DATE 176 247 -71 246  
SINCE MAR 1 2382 1806 576 1935  
SINCE JUL 1 9003 7684 1319 6975  
 
COOLING  
TODAY 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 28 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57  
LOWEST 30  
AVERAGE 44  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 2009  
MINIMUM TEMPERATURE (F) 40 32 2017  
 
SUNRISE AND SUNSET  
MAY 17 2023...........SUNRISE 5:49 AM MDT SUNSET 8:32 PM MDT  
MAY 18 2023...........SUNRISE 5:48 AM MDT SUNSET 8:33 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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