337  
CDUS45 KRIW 231445 CCA  
CLIRIW  
 
CLIMATE REPORT...CORRECTED  
NATIONAL WEATHER SERVICE RIVERTON WY  
1234 AM MST FRI DEC 23 2022  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 22 2022
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM -15 3:19 PM 52 2005 30 -45 51  
MINIMUM -31R 8:15 AM -19 1998 7 -38 20  
AVERAGE -23 18 -41 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.08 0.01 -0.01 0.00  
MONTH TO DATE 0.79 0.19 0.60 0.03  
SINCE DEC 1 0.79 0.19 0.60 0.03  
SINCE JAN 1 9.56 8.49 1.07 8.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 2020 0.0  
MONTH TO DATE 14.3 0.9  
SINCE DEC 1 14.3 0.9  
SINCE JUL 1 25.2 3.7  
SNOW DEPTH 10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 88 47 41 29  
MONTH TO DATE 1138 986 152 709  
SINCE DEC 1 1138 986 152 709  
SINCE JUL 1 2951 2883 68 2199  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 703 499 204 707    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 8:00 AM  
LOWEST 66 4:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 48 2021  
MINIMUM TEMPERATURE (F) 7 -19 1998  
 
SUNRISE AND SUNSET  
DECEMBER 23 2022......SUNRISE 7:43 AM MST SUNSET 4:43 PM MST  
DECEMBER 24 2022......SUNRISE 7:43 AM MST SUNSET 4:44 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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