132  
CDUS45 KRIW 220726  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT TUE APR 22 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR APRIL 21 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 58 3:21 PM 82 1989 57 1 66  
MINIMUM 37 6:15 AM 11 1892 31 6 25  
AVERAGE 48 44 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.10 1944 0.07 -0.04 0.00  
MONTH TO DATE 1.50 1.37 0.13 0.27  
SINCE MAR 1 4.53 2.66 1.87 1.64  
SINCE JAN 1 5.61 3.87 1.74 3.55  
 
SNOWFALL (IN)  
YESTERDAY MM 11.0 1963 0.6 MM 0.0  
MONTH TO DATE 13.6 12.1 1.5 2.8  
SINCE MAR 1 42.9 26.5 16.4 19.4  
SINCE JUL 1 73.2 78.7 -5.5 69.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 21 -4 19  
MONTH TO DATE 454 478 -24 410  
SINCE MAR 1 1284 1377 -93 1278  
SINCE JUL 1 6313 7028 -715 6586  
 
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 28 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 15 5:00 PM  
AVERAGE 51  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 78 1969  
1989  
1994  
MINIMUM TEMPERATURE (F) 32 11 1892  
 
SUNRISE AND SUNSET  
APRIL 22 2025.........SUNRISE 6:22 AM MDT SUNSET 8:06 PM MDT  
APRIL 23 2025.........SUNRISE 6:20 AM MDT SUNSET 8:07 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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