945  
CDUS45 KRIW 190727  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST THU JAN 19 2023  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JANUARY 18 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 1:13 PM 53 1999 31 -7 48  
MINIMUM 0 11:25 PM -17 1996 8 -8 19  
AVERAGE 12 19 -7 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 0.01 -0.01 0.00  
MONTH TO DATE 1.31 0.15 1.16 0.21  
SINCE DEC 1 2.10 0.41 1.69 0.28  
SINCE JAN 1 1.31 0.15 1.16 0.21  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 2007 0.0  
MONTH TO DATE 22.4 2.7  
SINCE DEC 1 36.7 4.4  
SINCE JUL 1 47.6 7.2  
SNOW DEPTH 13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 53 46 7 31  
MONTH TO DATE 927 832 95 765  
SINCE DEC 1 2483 2239 244 1846  
SINCE JUL 1 4296 4136 160 3336  
 
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 16 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 68 3:00 PM  
AVERAGE 78  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 57 2009  
MINIMUM TEMPERATURE (F) 8 -5 2008  
 
SUNRISE AND SUNSET  
JANUARY 19 2023.......SUNRISE 7:40 AM MST SUNSET 5:09 PM MST  
JANUARY 20 2023.......SUNRISE 7:39 AM MST SUNSET 5:11 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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