946  
CDUS45 KRIW 050731  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT SAT APR 05 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR APRIL 4 2025  
 
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)  
YESTERDAY  
MAXIMUM 34 12:32 AM 76 2021 54 -20 70  
MINIMUM 24 7:47 AM 0 1945 28 -4 37  
AVERAGE 29 41 -12  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 1.00 1934 0.06 0.01 0.00  
MONTH TO DATE 0.07 0.23 -0.16 0.03  
SINCE MAR 1 3.10 1.52 1.58 1.40  
SINCE JAN 1 4.18 2.73 1.45 3.31  
 
SNOWFALL (IN)  
YESTERDAY 0.7 12.5 2023 0.6 0.1 0.0  
MONTH TO DATE 0.7 2.3 -1.6 0.5  
SINCE MAR 1 30.0 16.7 13.3 17.1  
SINCE JUL 1 60.3 68.9 -8.6 67.0  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 24 12 11  
MONTH TO DATE 124 96 28 71  
SINCE MAR 1 954 995 -41 939  
SINCE JUL 1 5983 6646 -663 6247  
 
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 N (10)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 4:00 AM  
LOWEST 66 4:00 PM  
AVERAGE 77  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 77 1991  
MINIMUM TEMPERATURE (F) 28 -3 1918  
 
SUNRISE AND SUNSET  
APRIL 5 2025.........SUNRISE 6:50 AM MDT SUNSET 7:46 PM MDT  
APRIL 6 2025.........SUNRISE 6:48 AM MDT SUNSET 7:47 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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