835  
CDUS45 KRIW 020727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT TUE MAY 02 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 1 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 75 4:13 PM 80 1901 60 15 54  
1981  
MINIMUM 43 5:41 AM 18 1954 34 9 37  
AVERAGE 59 47 12  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.03 1979 0.08 -0.08 0.47  
MONTH TO DATE 0.00 0.08 -0.08 0.47  
SINCE MAR 1 3.41 3.44 -0.03 3.70  
SINCE JAN 1 7.30 4.65 2.65 5.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.5 2013 0.3 -0.3 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 30.8 31.1 -0.3 24.1  
SINCE JUL 1 107.0 83.3 23.7 57.4  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 18 -12 19  
MONTH TO DATE 6 18 -12 19  
SINCE MAR 1 2099 1569 530 1662  
SINCE JUL 1 8368 7220 1148 6484  
 
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 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 7:00 AM  
LOWEST 24 5:00 PM  
AVERAGE 42  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 1947  
MINIMUM TEMPERATURE (F) 35 13 1903  
 
SUNRISE AND SUNSET  
MAY 2 2023...........SUNRISE 6:08 AM MDT SUNSET 8:17 PM MDT  
MAY 3 2023...........SUNRISE 6:07 AM MDT SUNSET 8:18 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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