428  
CDUS45 KRIW 230733  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT SUN APR 23 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR APRIL 22 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 43 4:07 PM 78 1969 57 -14 59  
1989  
1994  
MINIMUM 25 7:02 AM 11 1892 32 -7 32  
AVERAGE 34 44 -10  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.87 1999 0.07 0.02 0.69  
MONTH TO DATE 1.67 1.44 0.23 0.86  
SINCE MAR 1 2.25 2.73 -0.48 2.75  
SINCE JAN 1 6.14 3.94 2.20 4.20  
 
SNOWFALL (IN)  
YESTERDAY 2.0 28.6 1999 0.5 1.5 0.8  
MONTH TO DATE 23.9 12.6 11.3 1.9  
SINCE MAR 1 29.8 27.0 2.8 23.1  
SINCE JUL 1 106.0 79.2 26.8 56.4  
SNOW DEPTH 5  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 21 10 19  
MONTH TO DATE 626 499 127 570  
SINCE MAR 1 1948 1398 550 1479  
SINCE JUL 1 8217 7049 1168 6301  
 
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 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 48 7:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 83 2012  
MINIMUM TEMPERATURE (F) 32 9 2013  
 
SUNRISE AND SUNSET  
APRIL 23 2023.........SUNRISE 6:21 AM MDT SUNSET 8:06 PM MDT  
APRIL 24 2023.........SUNRISE 6:19 AM MDT SUNSET 8:07 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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