479  
CDUS45 KRIW 200742  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1240 AM MST TUE FEB 20 2018  
 
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR FEBRUARY 19 2018
 
 
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)  
YESTERDAY  
MAXIMUM 4 1251 AM 60 1985 38 -34 56  
MINIMUM -5 1113 PM -17 1942 15 -20 28  
AVERAGE 0 26 -26 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.29 0.73 1939 0.02 0.27 0.00  
MONTH TO DATE 0.94 0.36 0.58 0.13  
SINCE DEC 1 2.85 1.35 1.50 2.30  
SINCE JAN 1 1.62 0.77 0.85 1.40  
 
SNOWFALL (IN)  
YESTERDAY 2.3 0.4 1.9 0.0  
MONTH TO DATE 9.3 6.7 2.6 3.4  
SINCE DEC 1 39.2 24.4 14.8 30.8  
SINCE JUL 1 47.2 50.0 -2.8 44.8  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 65 39 26 23  
MONTH TO DATE 767 782 -15 658  
SINCE DEC 1 3387 3499 -112 3777  
SINCE JUL 1 4987 5372 -385 5333  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 1200 AM  
LOWEST 78 1100 PM  
AVERAGE 85  
   
......................................................
 
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 65 1935  
MINIMUM TEMPERATURE (F) 15 -28 1894  
 
 
SUNRISE AND SUNSET  
FEBRUARY 20 2018......SUNRISE 705 AM MST SUNSET 553 PM MST  
FEBRUARY 21 2018......SUNRISE 703 AM MST SUNSET 554 PM MST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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