788  
CDUS45 KRIW 260736  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT SAT APR 26 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR APRIL 25 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 47 6:01 PM 78 2012 59 -12 65  
MINIMUM 36 11:59 PM 22 2018 32 4 42  
AVERAGE 42 46 -4 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.49 0.04 -0.04 T  
MONTH TO DATE 0.82 0.94 -0.12 0.11  
SINCE MAR 1 2.54 1.59 0.95 0.57  
SINCE JAN 1 3.04 2.28 0.76 2.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.8 2009 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 23 19 4 11  
MONTH TO DATE 561 553 8 476  
SINCE MAR 1 1401 1465 -64 1350  
SINCE JUL 1 6748 7343 -595 6934  
 
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 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 68 2:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 79 2012  
MINIMUM TEMPERATURE (F) 33 26 2008  
 
SUNRISE AND SUNSET  
APRIL 26 2025.........SUNRISE 6:14 AM MDT SUNSET 8:10 PM MDT  
APRIL 27 2025.........SUNRISE 6:13 AM MDT SUNSET 8:11 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page