317  
CDUS45 KRIW 090729  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST MON JAN 09 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JANUARY 8 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 14 12:51 PM 55 2009 30 -16 37  
MINIMUM -2 7:14 AM -15 2010 7 -9 19  
AVERAGE 6 19 -13 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.12 0.01 -0.01 0.00  
MONTH TO DATE 0.67 0.07 0.60 0.21  
SINCE DEC 1 1.46 0.33 1.13 0.28  
SINCE JAN 1 0.67 0.07 0.60 0.21  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.5 2006 0.0  
MONTH TO DATE 14.5 2.7  
SINCE DEC 1 28.8 4.4  
SINCE JUL 1 39.7 7.2  
SNOW DEPTH 11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 59 46 13 37  
MONTH TO DATE 431 372 59 381  
SINCE DEC 1 1987 1779 208 1462  
SINCE JUL 1 3800 3676 124 2952  
 
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 12 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 12:00 PM  
LOWEST 83 4:00 AM  
AVERAGE 88  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 47 1999  
MINIMUM TEMPERATURE (F) 7 -4 2010  
 
SUNRISE AND SUNSET  
JANUARY 9 2023.......SUNRISE 7:45 AM MST SUNSET 4:57 PM MST  
JANUARY 10 2023.......SUNRISE 7:44 AM MST SUNSET 4:59 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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