865  
CDUS45 KRIW 310803  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
142 AM MDT SUN MAY 31 2020  
 
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 30 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1891 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 324 PM 90 1984 71 18 69  
MINIMUM 54 536 AM 30 1982 44 10 37  
AVERAGE 72 58 14 53  
 
PRECIPITATION (IN)  
YESTERDAY T 1.79 1989 0.06 -0.06 0.00  
MONTH TO DATE 0.06 2.14 -2.08 5.21  
SINCE MAR 1 2.99 5.17 -2.18 9.55  
SINCE JAN 1 4.68 6.16 -1.48 10.68  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 4.8 -4.8 7.9  
SINCE MAR 1 38.0 37.7 0.3 38.9  
SINCE JUL 1 95.7 91.3 4.4 81.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 12  
MONTH TO DATE 310 360 -50 540  
SINCE MAR 1 1934 1910 24 2182  
SINCE JUL 1 8056 7614 442 8078  
 
COOLING  
YESTERDAY 7 0 7 0  
MONTH TO DATE 19 0 19 0  
SINCE MAR 1 20 0 20 0  
SINCE JAN 1 20 0 20 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 300 AM  
LOWEST 21 300 PM  
AVERAGE 44  
   
......................................................
 
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1910  
MINIMUM TEMPERATURE (F) 44 26 1919  
 
 
SUNRISE AND SUNSET  
MAY 31 2020...........SUNRISE 539 AM MDT SUNSET 846 PM MDT  
JUNE 1 2020..........SUNRISE 539 AM MDT SUNSET 847 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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