980  
CDUS45 KRIW 290730  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1230 AM MST FRI DEC 29 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 28 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 24 4:33 PM 50 1998 29 -5 MM  
MINIMUM 4 7:43 AM -11 2007 7 -3 MM  
AVERAGE 14 18 -4 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.08 0.01 -0.01 0.00  
MONTH TO DATE 0.01 0.24 -0.23 0.79  
SINCE DEC 1 0.01 0.24 -0.23 0.79  
SINCE JAN 1 14.13 8.54 5.59 9.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.8 2013 0.0  
MONTH TO DATE 0.6 14.3  
SINCE DEC 1 0.6 14.3  
SINCE JUL 1 19.6 25.2  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 51 47 4 MM  
MONTH TO DATE 1129 1268 -139 1411  
SINCE DEC 1 1129 1268 -139 1411  
SINCE JUL 1 2828 3165 -337 3224  
 
COOLING  
YESTERDAY 0 0 0 MM  
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 8 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 1.4  
 
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 88 7:00 AM  
LOWEST 62 4:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 55 1996  
MINIMUM TEMPERATURE (F) 7 -9 2012  
2018  
 
SUNRISE AND SUNSET  
DECEMBER 29 2023......SUNRISE 7:45 AM MST SUNSET 4:47 PM MST  
DECEMBER 30 2023......SUNRISE 7:45 AM MST SUNSET 4:48 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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