295  
CDUS45 KRIW 210731  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT FRI APR 21 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR APRIL 20 2023
 
 
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)  
YESTERDAY  
MAXIMUM 49 2:42 PM 81 1989 57 -8 58  
MINIMUM 27 11:59 PM 1 1966 31 -4 26  
AVERAGE 38 44 -6  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.05 1933 0.07 -0.07 0.00  
MONTH TO DATE 1.41 1.30 0.11 0.17  
SINCE MAR 1 1.99 2.59 -0.60 2.06  
SINCE JAN 1 5.88 3.80 2.08 3.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.5 1963 0.5 -0.5 0.0  
MONTH TO DATE 18.9 11.5 7.4 1.1  
SINCE MAR 1 24.8 25.9 -1.1 22.3  
SINCE JUL 1 101.0 78.1 22.9 55.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 21 6 23  
MONTH TO DATE 565 457 108 537  
SINCE MAR 1 1887 1356 531 1446  
SINCE JUL 1 8156 7007 1149 6268  
 
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 26 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 10:00 PM  
LOWEST 13 3:00 PM  
AVERAGE 41  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 82 1989  
MINIMUM TEMPERATURE (F) 31 11 1892  
 
SUNRISE AND SUNSET  
APRIL 21 2023.........SUNRISE 6:24 AM MDT SUNSET 8:04 PM MDT  
APRIL 22 2023.........SUNRISE 6:22 AM MDT SUNSET 8:05 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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