072  
CDUS45 KRIW 170736  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1236 AM MST TUE JAN 17 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JANUARY 16 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 23 12:25 PM 54 2000 31 -8 41  
MINIMUM 18 6:04 AM -11 2007 8 10 13  
AVERAGE 21 19 2 27  
 
PRECIPITATION (IN)  
YESTERDAY T R T 0.01 -0.01 0.00  
MONTH TO DATE 1.30 0.14 1.16 0.21  
SINCE DEC 1 2.09 0.40 1.69 0.28  
SINCE JAN 1 1.30 0.14 1.16 0.21  
 
SNOWFALL (IN)  
YESTERDAY 0.1 1.4 1997 0.0  
MONTH TO DATE 21.8 2.7  
SINCE DEC 1 36.1 4.4  
SINCE JUL 1 47.0 7.2  
SNOW DEPTH 12  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 46 -2 38  
MONTH TO DATE 829 740 89 697  
SINCE DEC 1 2385 2147 238 1778  
SINCE JUL 1 4198 4044 154 3268  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 9:00 AM  
LOWEST 88 3:00 PM  
AVERAGE 94  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 50 2000  
2009  
MINIMUM TEMPERATURE (F) 8 -11 1997  
 
SUNRISE AND SUNSET  
JANUARY 17 2023.......SUNRISE 7:41 AM MST SUNSET 5:07 PM MST  
JANUARY 18 2023.......SUNRISE 7:41 AM MST SUNSET 5:08 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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