368  
CDUS45 KRIW 090736  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 8 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 67 2:59 PM 82 1987 63 4 55  
MINIMUM 33 5:21 AM 26 1968 37 -4 37  
2002  
AVERAGE 50 50 0  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.71 1921 0.08 -0.07 0.00  
MONTH TO DATE 0.01 0.69 -0.68 2.10  
SINCE MAR 1 3.42 4.05 -0.63 5.33  
SINCE JAN 1 7.31 5.26 2.05 6.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0 12.3 1979 0.2 -0.2 0.0  
MONTH TO DATE 0.0 2.3 -2.3 0.0  
SINCE MAR 1 30.8 33.1 -2.3 24.1  
SINCE JUL 1 107.0 85.3 21.7 57.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 15 0 19  
MONTH TO DATE 74 133 -59 125  
SINCE MAR 1 2167 1684 483 1768  
SINCE JUL 1 8436 7335 1101 6590  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 10:00 PM  
LOWEST 19 3:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 81 1987  
MINIMUM TEMPERATURE (F) 37 21 2002  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 5:59 AM MDT SUNSET 8:24 PM MDT  
MAY 10 2023...........SUNRISE 5:58 AM MDT SUNSET 8:25 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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