270  
CDUS45 KRIW 040734  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT MON SEP 04 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 3 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 12:35 PM 95 2022 81 6 95  
MINIMUM 56 5:35 AM 29 1961 49 7 57  
AVERAGE 72 65 7  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.52 1915 0.02 -0.01 0.00  
MONTH TO DATE 0.01 0.05 -0.04 0.00  
SINCE SEP 1 0.01 0.05 -0.04 0.00  
SINCE JAN 1 13.23 9.49 3.74 9.72  
 
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 SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 0 8 -8 0  
SINCE SEP 1 0 8 -8 0  
SINCE JUL 1 46 47 -1 1  
 
COOLING  
YESTERDAY 7 2 5 11  
MONTH TO DATE 20 8 12 34  
SINCE SEP 1 20 8 12 34  
SINCE JAN 1 352 460 -108 652    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 11:00 PM  
LOWEST 26 1:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 99 2022  
MINIMUM TEMPERATURE (F) 49 30 1894  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2023.....SUNRISE 6:43 AM MDT SUNSET 7:44 PM MDT  
SEPTEMBER 5 2023.....SUNRISE 6:44 AM MDT SUNSET 7:43 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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