318  
CDUS45 KRIW 020727  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SAT DEC 02 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 1 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 15 11:59 PM 61 1995 35 -20 43  
2021  
MINIMUM 0 3:24 AM -11 2019 12 -12 2  
AVERAGE 8 23 -15 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.17 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE DEC 1 0.00 0.01 -0.01 0.00  
SINCE JAN 1 14.12 8.31 5.81 8.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.3 2007 0.0  
MONTH TO DATE 0.0 0.0  
SINCE DEC 1 0.0 0.0  
SINCE JUL 1 19.0 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 57 42 15 42  
MONTH TO DATE 57 42 15 42  
SINCE DEC 1 57 42 15 42  
SINCE JUL 1 1756 1939 -183 1855  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 401 499 -98 703    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 10:00 AM  
LOWEST 84 12:00 PM  
AVERAGE 92  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 61 2021  
MINIMUM TEMPERATURE (F) 12 -7 2007  
 
SUNRISE AND SUNSET  
DECEMBER 2 2023......SUNRISE 7:26 AM MST SUNSET 4:40 PM MST  
DECEMBER 3 2023......SUNRISE 7:27 AM MST SUNSET 4:40 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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