226  
CDUS45 KRIW 090045  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT FRI MAY 08 2026  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 8 2026  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 4:09 PM 82 1987 63 9 72  
MINIMUM 42 6:04 AM 26 1968 37 5 41  
2002  
AVERAGE 57 50 7 57  
 
PRECIPITATION (IN)  
TODAY 0.01 1.71 1921 0.08 -0.07 0.00  
MONTH TO DATE 0.34 0.69 -0.35 1.23  
SINCE MAR 1 2.73 4.05 -1.32 6.83  
SINCE JAN 1 3.14 5.26 -2.12 7.91  
 
SNOWFALL (IN)  
TODAY MM 0.2 MM 0.0  
MONTH TO DATE 3.7 2.3 1.4 3.4  
SINCE MAR 1 21.1 33.1 -12.0 48.7  
SINCE JUL 1 29.3 85.3 -56.0 79.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 8 15 -7 8  
MONTH TO DATE 117 133 -16 125  
SINCE MAR 1 1239 1684 -445 1584  
SINCE JUL 1 5322 7335 -2013 6613  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86  
LOWEST 25  
AVERAGE 56  
   
......................................................  
 
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 2026...........SUNRISE 6:00 AM MDT SUNSET 8:24 PM MDT  
MAY 9 2026...........SUNRISE 5:59 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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