227  
CDUS45 KRIW 010028  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
628 PM MDT WED MAY 31 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 31 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 2:11 PM 88 2020 72 7 48  
MINIMUM 45 4:35 AM 26 1919 44 1 38  
AVERAGE 62 58 4 43  
 
PRECIPITATION (IN)  
TODAY 0.00 0.96 1991 0.07 -0.07 0.85  
MONTH TO DATE 0.86 2.68 -1.82 4.13  
SINCE MAR 1 4.27 6.04 -1.77 7.36  
SINCE JAN 1 8.16 7.25 0.91 8.81  
 
SNOWFALL (IN)  
TODAY MM 0.0 MM 0.0  
MONTH TO DATE 0.0 4.5 -4.5 T  
SINCE MAR 1 30.8 35.3 -4.5 24.1  
SINCE JUL 1 107.0 87.5 19.5 57.4  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 3 8 -5 22  
MONTH TO DATE 243 386 -143 451  
SINCE MAR 1 2336 1937 399 2094  
SINCE JUL 1 8605 7588 1017 6916  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 1  
SINCE MAR 1 0 5 -5 1  
SINCE JAN 1 0 5 -5 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 21  
AVERAGE 48  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 89 2020  
MINIMUM TEMPERATURE (F) 44 28 1917  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 5:40 AM MDT SUNSET 8:46 PM MDT  
JUNE 1 2023..........SUNRISE 5:39 AM MDT SUNSET 8:47 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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