507  
CDUS45 KRIW 060728  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE MAY 06 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 5 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 54 12:26 AM 82 1911 62 -8 70  
1934  
1966  
MINIMUM 32 11:59 PM 18 1912 36 -4 41  
AVERAGE 43 49 -6  
 
PRECIPITATION (IN)  
YESTERDAY 0.78 1.45 2007 0.09 0.69 T  
MONTH TO DATE 0.78 0.43 0.35 0.28  
SINCE MAR 1 6.38 3.79 2.59 2.85  
SINCE JAN 1 7.46 5.00 2.46 4.76  
 
SNOWFALL (IN)  
YESTERDAY 2.1 12.9 1978 0.3 1.8 0.0  
MONTH TO DATE 2.1 1.5 0.6 1.3  
SINCE MAR 1 47.4 32.3 15.1 20.7  
SINCE JUL 1 77.7 84.5 -6.8 70.6  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 16 6 9  
MONTH TO DATE 71 86 -15 105  
SINCE MAR 1 1530 1637 -107 1527  
SINCE JUL 1 6559 7288 -729 6835  
 
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 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 PM  
LOWEST 45 12:00 AM  
AVERAGE 73  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 85 1992  
MINIMUM TEMPERATURE (F) 36 19 1909  
1917  
 
SUNRISE AND SUNSET  
MAY 6 2025...........SUNRISE 6:02 AM MDT SUNSET 8:22 PM MDT  
MAY 7 2025...........SUNRISE 6:01 AM MDT SUNSET 8:23 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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