958  
CDUS45 KRIW 240742  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
142 AM MDT SUN SEP 24 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 23 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 68 3:32 PM 89 1905 71 -3 75  
MINIMUM 36 6:40 AM 19 1895 42 -6 43  
AVERAGE 52 56 -4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.42 1891 0.04 -0.04 0.00  
MONTH TO DATE 0.56 0.66 -0.10 0.95  
SINCE SEP 1 0.56 0.66 -0.10 0.95  
SINCE JAN 1 13.78 10.10 3.68 10.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.4 1961 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.7 -0.7 0.0  
SINCE SEP 1 0.0 0.7 -0.7 0.0  
SINCE JUL 1 0.0 0.7 -0.7 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 9 4 6  
MONTH TO DATE 70 119 -49 85  
SINCE SEP 1 70 119 -49 85  
SINCE JUL 1 116 158 -42 86  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 29 31 -2 102  
SINCE SEP 1 29 31 -2 102  
SINCE JAN 1 361 483 -122 720    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.2  
 
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 60 11:00 PM  
LOWEST 27 2:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2014  
2020  
MINIMUM TEMPERATURE (F) 41 17 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 7:04 AM MDT SUNSET 7:09 PM MDT  
SEPTEMBER 25 2023.....SUNRISE 7:05 AM MDT SUNSET 7:07 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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