599  
CDUS45 KRIW 240742  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
142 AM MDT SUN SEP 24 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 23 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 67 4:01 PM 87 2015 70 -3 75  
MINIMUM 39 6:03 AM 24 2000 42 -3 45  
AVERAGE 53 56 -3 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.58 0.04 -0.04 0.00  
MONTH TO DATE 0.67 0.53 0.14 0.95  
SINCE SEP 1 0.67 0.53 0.14 0.95  
SINCE JAN 1 10.83 6.89 3.94 7.35  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.8 2000 0.0  
MONTH TO DATE 0.0 0.0  
SINCE SEP 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 9 3 5  
MONTH TO DATE 72 126 -54 87  
SINCE SEP 1 72 126 -54 87  
SINCE JUL 1 105 162 -57 88  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 30 28 2 95  
SINCE SEP 1 30 28 2 95  
SINCE JAN 1 401 496 -95 702    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 6:00 AM  
LOWEST 30 2:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2020  
MINIMUM TEMPERATURE (F) 41 24 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 7:03 AM MDT SUNSET 7:08 PM MDT  
SEPTEMBER 25 2023.....SUNRISE 7:04 AM MDT SUNSET 7:06 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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