017  
CDUS45 KRIW 060045  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT MON MAY 05 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 5 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 54 12:26 AM 82 1911 62 -8 70  
1934  
1966  
MINIMUM 34 4:59 PM 18 1912 36 -2 41  
AVERAGE 44 49 -5 56  
 
PRECIPITATION (IN)  
TODAY 0.35 1.45 2007 0.09 0.26 T  
MONTH TO DATE 0.35 0.43 -0.08 0.28  
SINCE MAR 1 5.95 3.79 2.16 2.85  
SINCE JAN 1 7.03 5.00 2.03 4.76  
 
SNOWFALL (IN)  
TODAY MM 0.3 MM 0.0  
MONTH TO DATE 0.0 1.5 -1.5 1.3  
SINCE MAR 1 45.3 32.3 13.0 20.7  
SINCE JUL 1 75.6 84.5 -8.9 70.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 21 16 5 9  
MONTH TO DATE 70 86 -16 105  
SINCE MAR 1 1529 1637 -108 1527  
SINCE JUL 1 6558 7288 -730 6835  
 
COOLING  
TODAY 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 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 45  
AVERAGE 71  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 85 1992  
MINIMUM TEMPERATURE (F) 36 19 1909  
1917  
 
SUNRISE AND SUNSET  
MAY 5 2025...........SUNRISE 6:03 AM MDT SUNSET 8:21 PM MDT  
MAY 6 2025...........SUNRISE 6:02 AM MDT SUNSET 8:22 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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