072  
CDUS45 KRIW 140729  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT MON SEP 14 2026  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 13 2026  
 
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)  
YESTERDAY  
MAXIMUM 88 2:31 PM 89 2015 76 12 72  
MINIMUM 50 5:25 AM 25 1914 46 4 44  
AVERAGE 69 61 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.72 1982 0.03 -0.02 0.00  
MONTH TO DATE 0.01 0.30 -0.29 0.03  
SINCE SEP 1 0.01 0.30 -0.29 0.03  
SINCE JAN 1 6.37 9.74 -3.37 10.04  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.6 1982 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.2 -0.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 7  
MONTH TO DATE 6 48 -42 21  
SINCE SEP 1 6 48 -42 21  
SINCE JUL 1 9 87 -78 26  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 43 25 18 40  
SINCE SEP 1 43 25 18 40  
SINCE JAN 1 713 477 236 567    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 9.8  
 
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 57 6:00 AM  
LOWEST 21 3:00 PM  
AVERAGE 39  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 92 1948  
MINIMUM TEMPERATURE (F) 45 25 1904  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2026.....SUNRISE 6:54 AM MDT SUNSET 7:26 PM MDT  
SEPTEMBER 15 2026.....SUNRISE 6:55 AM MDT SUNSET 7:24 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