391  
CDUS45 KRIW 020736  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT FRI MAY 02 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 1 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 55 5:06 PM 80 1901 60 -5 55  
1981  
MINIMUM 34 4:14 AM 18 1954 34 0 29  
AVERAGE 45 47 -2  
 
PRECIPITATION (IN)  
YESTERDAY T 1.03 1979 0.08 -0.08 0.00  
MONTH TO DATE T 0.08 -0.08 0.00  
SINCE MAR 1 5.60 3.44 2.16 2.57  
SINCE JAN 1 6.68 4.65 2.03 4.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.5 2013 0.3 -0.3 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 45.3 31.1 14.2 19.4  
SINCE JUL 1 75.6 83.3 -7.7 69.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 18 2 23  
MONTH TO DATE 20 18 2 23  
SINCE MAR 1 1479 1569 -90 1445  
SINCE JUL 1 6508 7220 -712 6753  
 
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 15 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 38 6:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 1947  
MINIMUM TEMPERATURE (F) 35 13 1903  
 
SUNRISE AND SUNSET  
MAY 2 2025...........SUNRISE 6:07 AM MDT SUNSET 8:17 PM MDT  
MAY 3 2025...........SUNRISE 6:06 AM MDT SUNSET 8:18 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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