290  
CDUS45 KRIW 120045  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SAT APR 11 2026  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR APRIL 11 2026  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 11:49 AM 80 2025 55 18 80  
MINIMUM 40 5:48 AM 7 1997 29 11 39  
AVERAGE 57 42 15 60  
 
PRECIPITATION (IN)  
TODAY T 1.45 1927 0.07 -0.07 0.00  
MONTH TO DATE T 0.68 -0.68 0.07  
SINCE MAR 1 1.03 1.97 -0.94 3.10  
SINCE JAN 1 1.44 3.18 -1.74 4.18  
 
SNOWFALL (IN)  
TODAY MM 0.7 MM 0.0  
MONTH TO DATE 0.0 6.6 -6.6 0.7  
SINCE MAR 1 8.3 21.0 -12.7 30.0  
SINCE JUL 1 16.5 73.2 -56.7 60.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 8 23 -15 5  
MONTH TO DATE 187 260 -73 236  
SINCE MAR 1 722 1159 -437 1066  
SINCE JUL 1 4805 6810 -2005 6095  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 60 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.4  
 
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 65  
LOWEST 17  
AVERAGE 41  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 76 2025  
MINIMUM TEMPERATURE (F) 29 8 1997  
 
SUNRISE AND SUNSET  
APRIL 11 2026.........SUNRISE 6:40 AM MDT SUNSET 7:53 PM MDT  
APRIL 12 2026.........SUNRISE 6:38 AM MDT SUNSET 7:54 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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