569  
CDUS45 KRIW 220728  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SUN OCT 22 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 21 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 65 2:21 PM 82 2003 56 9 75  
MINIMUM 43 6:46 AM 6 1932 30 13 37  
AVERAGE 54 43 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 1931 0.04 -0.04 0.00  
MONTH TO DATE 1.76 1.04 0.72 0.27  
SINCE SEP 1 2.32 2.02 0.30 1.77  
SINCE JAN 1 15.54 11.46 4.08 11.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.4 1995 0.3 -0.3 0.0  
MONTH TO DATE 0.0 6.8 -6.8 0.0  
SINCE SEP 1 0.0 8.3 -8.3 0.0  
SINCE JUL 1 0.0 8.3 -8.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 22 -11 9  
MONTH TO DATE 259 366 -107 261  
SINCE SEP 1 355 561 -206 368  
SINCE JUL 1 401 600 -199 369  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 29 32 -3 102  
SINCE JAN 1 361 484 -123 720    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 9:00 PM  
LOWEST 30 2:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 75 1954  
2003  
MINIMUM TEMPERATURE (F) 30 11 1936  
 
SUNRISE AND SUNSET  
OCTOBER 22 2023.......SUNRISE 7:37 AM MDT SUNSET 6:22 PM MDT  
OCTOBER 23 2023.......SUNRISE 7:38 AM MDT SUNSET 6:20 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page