466  
CDUS45 KRIW 200728  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SUN APR 20 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR APRIL 19 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 45 5:27 PM 82 1962 57 -12 41  
MINIMUM 14 4:07 AM 2 1893 31 -17 27  
AVERAGE 30 44 -14  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.24 1933 0.07 -0.07 0.00  
MONTH TO DATE 1.47 1.23 0.24 0.27  
SINCE MAR 1 4.50 2.52 1.98 1.64  
SINCE JAN 1 5.58 3.73 1.85 3.55  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.1 1971 0.5 -0.5 0.0  
MONTH TO DATE 13.6 11.0 2.6 2.8  
SINCE MAR 1 42.9 25.4 17.5 19.4  
SINCE JUL 1 73.2 77.6 -4.4 69.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 21 14 31  
MONTH TO DATE 416 436 -20 364  
SINCE MAR 1 1246 1335 -89 1232  
SINCE JUL 1 6275 6986 -711 6540  
 
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 S (190)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 3.4  
 
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 80 4:00 AM  
LOWEST 39 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 81 1989  
MINIMUM TEMPERATURE (F) 31 1 1966  
 
SUNRISE AND SUNSET  
APRIL 20 2025.........SUNRISE 6:25 AM MDT SUNSET 8:03 PM MDT  
APRIL 21 2025.........SUNRISE 6:23 AM MDT SUNSET 8:05 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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