641  
CDUS45 KRIW 030726  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT SAT MAY 03 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 2 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 67 4:45 PM 84 1947 61 6 54  
MINIMUM 32 5:01 AM 13 1903 35 -3 23  
AVERAGE 50 48 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.03 1942 0.09 -0.09 0.00  
MONTH TO DATE T 0.17 -0.17 0.00  
SINCE MAR 1 5.60 3.53 2.07 2.57  
SINCE JAN 1 6.68 4.74 1.94 4.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 15.5 1979 0.3 -0.3 0.0  
MONTH TO DATE 0.0 0.6 -0.6 0.0  
SINCE MAR 1 45.3 31.4 13.9 19.4  
SINCE JUL 1 75.6 83.6 -8.0 69.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 18 -3 26  
MONTH TO DATE 35 36 -1 49  
SINCE MAR 1 1494 1587 -93 1471  
SINCE JUL 1 6523 7238 -715 6779  
 
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 14 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 2:00 AM  
LOWEST 17 3:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 1947  
MINIMUM TEMPERATURE (F) 35 17 1899  
 
SUNRISE AND SUNSET  
MAY 3 2025...........SUNRISE 6:06 AM MDT SUNSET 8:18 PM MDT  
MAY 4 2025...........SUNRISE 6:05 AM MDT SUNSET 8:19 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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