899  
CDUS45 KRIW 220733  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1233 AM MST SUN JAN 22 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JANUARY 21 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 11 4:06 PM 51 2005 31 -20 39  
MINIMUM -2 11:46 PM -18 2008 8 -10 21  
AVERAGE 5 20 -15 30  
 
PRECIPITATION (IN)  
YESTERDAY T 0.07 0.01 -0.01 T  
MONTH TO DATE 1.33 0.18 1.15 0.21  
SINCE DEC 1 2.12 0.44 1.68 0.28  
SINCE JAN 1 1.33 0.18 1.15 0.21  
 
SNOWFALL (IN)  
YESTERDAY T 1.0 2019 T  
MONTH TO DATE 22.8 2.7  
SINCE DEC 1 37.1 4.4  
SINCE JUL 1 48.0 7.2  
SNOW DEPTH 13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 60 45 15 35  
MONTH TO DATE 1107 969 138 892  
SINCE DEC 1 2663 2376 287 1973  
SINCE JUL 1 4476 4273 203 3463  
 
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 10 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 83 3:00 PM  
AVERAGE 90  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 49 2009  
MINIMUM TEMPERATURE (F) 8 -25 2008  
 
SUNRISE AND SUNSET  
JANUARY 22 2023.......SUNRISE 7:38 AM MST SUNSET 5:13 PM MST  
JANUARY 23 2023.......SUNRISE 7:37 AM MST SUNSET 5:14 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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