933  
CDUS45 KRIW 090045  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT THU MAY 08 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 8 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 72 4:59 PM 82 1987 63 9 49  
MINIMUM 41 4:35 AM 26 1968 37 4 36  
2002  
AVERAGE 57 50 7 43  
 
PRECIPITATION (IN)  
TODAY 0.00 1.71 1921 0.08 -0.08 0.36  
MONTH TO DATE 0.78 0.69 0.09 0.64  
SINCE MAR 1 6.38 4.05 2.33 3.21  
SINCE JAN 1 7.46 5.26 2.20 5.12  
 
SNOWFALL (IN)  
TODAY MM 0.2 MM 0.0  
MONTH TO DATE 2.1 2.3 -0.2 1.3  
SINCE MAR 1 47.4 33.1 14.3 20.7  
SINCE JUL 1 77.7 85.3 -7.6 70.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 8 15 -7 22  
MONTH TO DATE 79 133 -54 163  
SINCE MAR 1 1538 1684 -146 1585  
SINCE JUL 1 6567 7335 -768 6893  
 
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 10 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66  
LOWEST 25  
AVERAGE 46  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 81 1987  
MINIMUM TEMPERATURE (F) 37 21 2002  
 
SUNRISE AND SUNSET  
MAY 8 2025...........SUNRISE 6:00 AM MDT SUNSET 8:24 PM MDT  
MAY 9 2025...........SUNRISE 5:58 AM MDT SUNSET 8:25 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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