560  
CDUS45 KRIW 210030  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
630 PM MDT FRI APR 20 2018  
 
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR APRIL 20 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1891 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 58 MM 81 1989 58 0 59  
MINIMUM 39 MM 1 1966 32 7 32  
AVERAGE 49 45 4 46  
 
PRECIPITATION (IN)  
TODAY 0.00 1.05 1933 0.06 -0.06 T  
MONTH TO DATE 0.28 1.16 -0.88 1.56  
SINCE MAR 1 1.37 2.32 -0.95 6.21  
SINCE JAN 1 2.99 3.31 -0.32 8.59  
 
SNOWFALL (IN)  
TODAY 0.0 0.5 -0.5 0.0  
MONTH TO DATE 2.4 11.6 -9.2 10.7  
SINCE MAR 1 10.5 27.7 -17.2 16.4  
SINCE JUL 1 57.7 81.3 -23.6 77.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 16 20 -4 19  
MONTH TO DATE 470 452 18 431  
SINCE MAR 1 1351 1367 -16 1143  
SINCE JUL 1 6801 7071 -270 6846  
 
COOLING  
TODAY 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 21 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 700 AM  
LOWEST 35 1000 AM  
AVERAGE 53  
   
......................................................
 
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 82 1989  
MINIMUM TEMPERATURE (F) 33 11 1892  
 
 
SUNRISE AND SUNSET  
APRIL 20 2018.........SUNRISE 625 AM MDT SUNSET 803 PM MDT  
APRIL 21 2018.........SUNRISE 624 AM MDT SUNSET 804 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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