010  
CDUS45 KRIW 010030  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
630 PM MDT MON SEP 30 2024  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 30 2024  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 71 12:15 AM 86 1980 67 4 83  
MINIMUM 51 6:33 AM 20 1985 39 12 42  
AVERAGE 61 53 8 63  
 
PRECIPITATION (IN)  
TODAY 0.00 1.93 1944 0.04 -0.04 0.00  
MONTH TO DATE 0.40 0.98 -0.58 0.56  
SINCE SEP 1 0.40 0.98 -0.58 0.56  
SINCE JAN 1 7.42 10.42 -3.00 12.88  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.5 -1.5 0.0  
SINCE SEP 1 0.0 1.5 -1.5 0.0  
SINCE JUL 1 0.0 1.5 -1.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 4 12 -8 2  
MONTH TO DATE 79 194 -115 96  
SINCE SEP 1 79 194 -115 96  
SINCE JUL 1 97 233 -136 142  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 83 32 51 29  
SINCE SEP 1 83 32 51 29  
SINCE JAN 1 644 484 160 361    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 38  
LOWEST 13  
AVERAGE 26  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 85 1963  
2011  
MINIMUM TEMPERATURE (F) 38 24 1944  
1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2024.....SUNRISE 7:12 AM MDT SUNSET 6:57 PM MDT  
OCTOBER 1 2024.......SUNRISE 7:13 AM MDT SUNSET 6:55 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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