941  
CDUS45 KRIW 210027  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
627 PM MDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 20 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 2:52 PM 91 1954 68 9 46  
MINIMUM 42 4:51 AM 26 1950 41 1 30  
AVERAGE 60 54 6 38  
 
PRECIPITATION (IN)  
TODAY 0.00 1.34 1917 0.09 -0.09 T  
1975  
MONTH TO DATE 0.61 1.79 -1.18 2.37  
SINCE MAR 1 4.02 5.15 -1.13 5.60  
SINCE JAN 1 7.91 6.36 1.55 7.05  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 -0.1 T  
MONTH TO DATE 0.0 3.9 -3.9 T  
SINCE MAR 1 30.8 34.7 -3.9 24.1  
SINCE JUL 1 107.0 86.9 20.1 57.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 5 11 -6 27  
MONTH TO DATE 199 287 -88 293  
SINCE MAR 1 2292 1838 454 1936  
SINCE JUL 1 8561 7489 1072 6758  
 
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 14 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68  
LOWEST 23  
AVERAGE 46  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 85 1948  
1964  
2006  
MINIMUM TEMPERATURE (F) 41 27 1908  
2001  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 5:48 AM MDT SUNSET 8:36 PM MDT  
MAY 21 2023...........SUNRISE 5:47 AM MDT SUNSET 8:37 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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