323  
CDUS45 KRIW 280726  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT THU AUG 28 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 27 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 71 12:47 PM 95 2011 83 -12 82  
MINIMUM 58 8:11 AM 36 1903 51 7 46  
AVERAGE 65 67 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 0.67 1895 0.02 0.26 0.00  
MONTH TO DATE 0.33 0.45 -0.12 0.74  
SINCE JUN 1 1.31 2.12 -0.81 1.16  
SINCE JAN 1 9.87 9.37 0.50 7.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 2 15 -13 6  
SINCE JUN 1 92 153 -61 47  
SINCE JUL 1 4 29 -25 12  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 193 162 31 186  
SINCE JUN 1 517 435 82 551  
SINCE JAN 1 525 440 85 551    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 AM  
LOWEST 56 1:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 2012  
MINIMUM TEMPERATURE (F) 51 36 1911  
 
SUNRISE AND SUNSET  
AUGUST 28 2025........SUNRISE 6:36 AM MDT SUNSET 7:56 PM MDT  
AUGUST 29 2025........SUNRISE 6:37 AM MDT SUNSET 7:54 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page