487  
CDUS45 KRIW 220736  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT SAT APR 22 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR APRIL 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 45 1:04 PM 74 2009 58 -13 72  
MINIMUM 21 2:35 AM 17 2008 31 -10 24  
AVERAGE 33 44 -11 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.33 0.04 0.06 0.00  
MONTH TO DATE 1.61 0.77 0.84 0.37  
SINCE MAR 1 2.02 1.42 0.60 1.22  
SINCE JAN 1 4.16 2.11 2.05 1.87  
 
SNOWFALL (IN)  
YESTERDAY 1.8 3.2 1999 0.0  
MONTH TO DATE 15.3 3.6  
SINCE MAR 1 22.1 15.5  
SINCE JUL 1 86.7 29.3  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 20 12 17  
MONTH TO DATE 623 474 149 584  
SINCE MAR 1 2024 1386 638 1503  
SINCE JUL 1 8645 7264 1381 6543  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 10:00 PM  
LOWEST 36 1:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 79 2006  
MINIMUM TEMPERATURE (F) 31 19 2013  
 
SUNRISE AND SUNSET  
APRIL 22 2023.........SUNRISE 6:21 AM MDT SUNSET 8:04 PM MDT  
APRIL 23 2023.........SUNRISE 6:19 AM MDT SUNSET 8:06 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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