491  
CDUS45 KRIW 300045  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT TUE APR 29 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR APRIL 29 2025
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 4:34 PM 82 1992 60 3 63  
2007  
MINIMUM 29 5:39 AM 15 1935 34 -5 40  
AVERAGE 46 46 0 52  
 
PRECIPITATION (IN)  
TODAY 0.00 2.97 1895 0.09 -0.09 T  
MONTH TO DATE 2.24 1.99 0.25 1.20  
SINCE MAR 1 5.27 3.28 1.99 2.57  
SINCE JAN 1 6.35 4.49 1.86 4.48  
 
SNOWFALL (IN)  
TODAY MM 0.5 MM 0.0  
MONTH TO DATE 16.0 16.0 -0.0 2.8  
SINCE MAR 1 45.3 30.4 14.9 19.4  
SINCE JUL 1 75.6 82.6 -7.0 69.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 19 18 1 13  
MONTH TO DATE 609 634 -25 535  
SINCE MAR 1 1439 1533 -94 1403  
SINCE JUL 1 6468 7184 -716 6711  
 
COOLING  
TODAY 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 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 32  
AVERAGE 64  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 81 2021  
MINIMUM TEMPERATURE (F) 34 6 1909  
 
SUNRISE AND SUNSET  
APRIL 29 2025.........SUNRISE 6:11 AM MDT SUNSET 8:14 PM MDT  
APRIL 30 2025.........SUNRISE 6:10 AM MDT SUNSET 8:15 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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