984  
CDUS45 KRIW 190734  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT SAT APR 19 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR APRIL 18 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 31 2:53 PM 78 1994 56 -25 39  
MINIMUM 21 10:56 PM 7 1945 31 -10 23  
AVERAGE 26 44 -18  
 
PRECIPITATION (IN)  
YESTERDAY 0.31 1.17 1966 0.07 0.24 0.02  
MONTH TO DATE 1.47 1.16 0.31 0.27  
SINCE MAR 1 4.50 2.45 2.05 1.64  
SINCE JAN 1 5.58 3.66 1.92 3.55  
 
SNOWFALL (IN)  
YESTERDAY 0.8 19.9 1966 0.6 0.2 0.4  
MONTH TO DATE 13.6 10.5 3.1 2.8  
SINCE MAR 1 42.9 24.9 18.0 19.4  
SINCE JUL 1 73.2 77.1 -3.9 69.3  
SNOW DEPTH 13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 22 17 34  
MONTH TO DATE 381 415 -34 333  
SINCE MAR 1 1211 1314 -103 1201  
SINCE JUL 1 6240 6965 -725 6509  
 
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 16 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 63 2:00 PM  
AVERAGE 82  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 82 1962  
MINIMUM TEMPERATURE (F) 31 2 1893  
 
SUNRISE AND SUNSET  
APRIL 19 2025.........SUNRISE 6:26 AM MDT SUNSET 8:02 PM MDT  
APRIL 20 2025.........SUNRISE 6:25 AM MDT SUNSET 8:03 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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