293  
CDUS45 KRIW 200728  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SUN APR 20 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR APRIL 19 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 48 5:36 PM 74 2019 57 -9 42  
MINIMUM 16 4:35 AM 12 2021 31 -15 28  
AVERAGE 32 44 -12 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.47 0.04 -0.04 0.00  
MONTH TO DATE 0.55 0.68 -0.13 0.11  
SINCE MAR 1 2.27 1.33 0.94 0.57  
SINCE JAN 1 2.77 2.02 0.75 2.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 2002 0.0  
MONTH TO DATE 4.0 0.1  
SINCE MAR 1 17.3 3.6  
SINCE JUL 1 29.8 35.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 21 12 30  
MONTH TO DATE 436 433 3 376  
SINCE MAR 1 1276 1345 -69 1250  
SINCE JUL 1 6623 7223 -600 6834  
 
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 9 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 5:00 AM  
LOWEST 26 6:00 PM  
AVERAGE 57  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 74 2019  
MINIMUM TEMPERATURE (F) 31 10 2021  
 
SUNRISE AND SUNSET  
APRIL 20 2025.........SUNRISE 6:23 AM MDT SUNSET 8:03 PM MDT  
APRIL 21 2025.........SUNRISE 6:22 AM MDT SUNSET 8:04 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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