943  
CDUS45 KRIW 080729  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT FRI SEP 08 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 7 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 83 3:07 PM 97 2022 79 4 97  
MINIMUM 50 5:31 AM 30 1898 48 2 57  
AVERAGE 67 63 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.94 1894 0.03 -0.03 0.00  
MONTH TO DATE 0.45 0.14 0.31 0.00  
SINCE SEP 1 0.45 0.14 0.31 0.00  
SINCE JAN 1 13.67 9.58 4.09 9.72  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 2020 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 13 21 -8 0  
SINCE SEP 1 13 21 -8 0  
SINCE JUL 1 59 60 -1 1  
 
COOLING  
YESTERDAY 2 2 0 12  
MONTH TO DATE 22 16 6 85  
SINCE SEP 1 22 16 6 85  
SINCE JAN 1 354 468 -114 703    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 6:00 AM  
LOWEST 18 3:00 PM  
AVERAGE 41  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 1979  
2022  
MINIMUM TEMPERATURE (F) 48 26 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2023.....SUNRISE 6:47 AM MDT SUNSET 7:37 PM MDT  
SEPTEMBER 9 2023.....SUNRISE 6:48 AM MDT SUNSET 7:36 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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