602  
CDUS45 KRIW 300824  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
156 AM MDT TUE MAY 30 2017  
 
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 29 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1891 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 337 PM 93 2003 71 -2 74  
MINIMUM 42 447 AM 24 1947 44 -2 41  
AVERAGE 56 57 -1 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.45 1924 0.07 -0.07 T  
MONTH TO DATE 2.20 2.08 0.12 5.03  
SINCE MAR 1 10.11 5.11 5.00 14.23  
SINCE JAN 1 12.49 6.10 6.39 15.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 6.8 4.8 2.0 T  
SINCE MAR 1 29.9 37.7 -7.8 38.2  
SINCE JUL 1 90.9 91.3 -0.4 75.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 8 1 7  
MONTH TO DATE 374 352 22 403  
SINCE MAR 1 1756 1902 -146 1829  
SINCE JUL 1 7459 7606 -147 6980  
 
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 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 33 200 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 1984  
MINIMUM TEMPERATURE (F) 44 30 1982  
 
 
SUNRISE AND SUNSET  
MAY 30 2017...........SUNRISE 540 AM MDT SUNSET 845 PM MDT  
MAY 31 2017...........SUNRISE 540 AM MDT SUNSET 846 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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