178  
CDUS45 KRIW 280045  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT TUE MAY 27 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 27 2025  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 12:20 PM 90 1969 71 4 72  
MINIMUM 45 4:13 AM 27 1893 43 2 44  
AVERAGE 60 57 3 58  
 
PRECIPITATION (IN)  
TODAY 0.02 1.00 2019 0.07 -0.05 0.00  
MONTH TO DATE 1.82 2.38 -0.56 1.37  
SINCE MAR 1 7.42 5.74 1.68 3.94  
SINCE JAN 1 8.50 6.95 1.55 5.85  
 
SNOWFALL (IN)  
TODAY MM 0.0 MM 0.0  
MONTH TO DATE 3.4 4.3 -0.9 1.6  
SINCE MAR 1 48.7 35.1 13.6 21.0  
SINCE JUL 1 79.0 87.3 -8.3 70.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 5 9 -4 7  
MONTH TO DATE 314 354 -40 397  
SINCE MAR 1 1773 1905 -132 1819  
SINCE JUL 1 6802 7556 -754 7127  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 4 0 4 0  
SINCE MAR 1 4 0 4 0  
SINCE JAN 1 4 0 4 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76  
LOWEST 31  
AVERAGE 54  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 2003  
MINIMUM TEMPERATURE (F) 43 27 1947  
 
SUNRISE AND SUNSET  
MAY 27 2025...........SUNRISE 5:42 AM MDT SUNSET 8:43 PM MDT  
MAY 28 2025...........SUNRISE 5:41 AM MDT SUNSET 8:44 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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