127  
CDUS45 KRIW 020749  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
149 AM MDT SAT SEP 02 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 1 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 88 1:23 PM 98 2022 81 7 98  
MINIMUM 56 4:43 AM 33 1905 50 6 58  
AVERAGE 72 66 6  
 
PRECIPITATION (IN)  
YESTERDAY T 1.21 1973 0.02 -0.02 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE SEP 1 T 0.02 -0.02 0.00  
SINCE JAN 1 13.22 9.46 3.76 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 2 -2 0  
MONTH TO DATE 0 2 -2 0  
SINCE SEP 1 0 2 -2 0  
SINCE JUL 1 46 41 5 1  
 
COOLING  
YESTERDAY 7 3 4 13  
MONTH TO DATE 7 3 4 13  
SINCE SEP 1 7 3 4 13  
SINCE JAN 1 339 455 -116 631    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 47 11:00 PM  
LOWEST 19 2:00 PM  
AVERAGE 33  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 2019  
MINIMUM TEMPERATURE (F) 49 34 1905  
1914  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2023.....SUNRISE 6:41 AM MDT SUNSET 7:48 PM MDT  
SEPTEMBER 3 2023.....SUNRISE 6:42 AM MDT SUNSET 7:46 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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