821  
CDUS45 KRIW 140727  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT WED OCT 14 2026  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 13 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 55 2:21 PM 78 1996 59 -4 56  
MINIMUM 41 11:59 PM 11 2008 33 8 27  
AVERAGE 48 46 2 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.10 0.03 0.00 0.00  
MONTH TO DATE 0.18 0.46 -0.28 0.99  
SINCE SEP 1 1.73 1.23 0.50 1.98  
SINCE JAN 1 4.70 7.59 -2.89 8.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.3 2018 0.0  
MONTH TO DATE 0.0 T  
SINCE SEP 1 0.0 T  
SINCE JUL 1 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 19 -2 23  
MONTH TO DATE 85 210 -125 170  
SINCE SEP 1 170 415 -245 267  
SINCE JUL 1 172 451 -279 270  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 0 4 0  
SINCE SEP 1 48 31 17 37  
SINCE JAN 1 761 499 262 611    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 66 2:00 PM  
AVERAGE 83  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 77 2015  
2016  
MINIMUM TEMPERATURE (F) 32 12 2018  
 
SUNRISE AND SUNSET  
OCTOBER 14 2026.......SUNRISE 7:26 AM MDT SUNSET 6:32 PM MDT  
OCTOBER 15 2026.......SUNRISE 7:28 AM MDT SUNSET 6:31 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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