584  
CDUS45 KRIW 310731  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT MON MAR 31 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MARCH 30 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 41 2:32 PM 76 1966 53 -12 44  
MINIMUM 32 11:59 PM 2 1936 27 5 32  
AVERAGE 37 40 -3  
 
PRECIPITATION (IN)  
YESTERDAY 0.24 0.85 2016 0.06 0.18 T  
MONTH TO DATE 3.00 1.23 1.77 1.04  
SINCE MAR 1 3.00 1.23 1.77 1.04  
SINCE JAN 1 4.08 2.44 1.64 2.95  
 
SNOWFALL (IN)  
YESTERDAY 1.4 7.1 2016 0.6 0.8 T  
MONTH TO DATE 28.9 13.8 15.1 14.9  
SINCE MAR 1 28.9 13.8 15.1 14.9  
SINCE JUL 1 59.2 66.0 -6.8 64.8  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 25 3 27  
MONTH TO DATE 804 874 -70 836  
SINCE MAR 1 804 874 -70 836  
SINCE JUL 1 5833 6525 -692 6144  
 
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 N (20)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 62 2:00 PM  
AVERAGE 81  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 76 2012  
2015  
MINIMUM TEMPERATURE (F) 28 2 1977  
 
SUNRISE AND SUNSET  
MARCH 31 2025.........SUNRISE 6:58 AM MDT SUNSET 7:40 PM MDT  
APRIL 1 2025.........SUNRISE 6:56 AM MDT SUNSET 7:42 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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