495  
CDUS45 KRIW 310728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT FRI MAY 31 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 30 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 3:12 PM 92 1984 73 -1 79  
MINIMUM 38 11:59 PM 29 2004 42 -4 41  
2006  
2010  
AVERAGE 55 57 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1971 0.06 -0.06 T  
MONTH TO DATE 2.44 2.14 0.30 2.03  
SINCE MAR 1 4.23 4.39 -0.16 4.17  
SINCE JAN 1 5.26 5.44 -0.18 6.58  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1989 0.0 0.0 0.0  
MONTH TO DATE 3.9 2.6 1.3 0.0  
SINCE MAR 1 13.2 23.4 -10.2 48.3  
SINCE JUL 1 42.5 71.7 -29.2 127.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 8 2 5  
MONTH TO DATE 457 402 55 290  
SINCE MAR 1 1983 1991 -8 2232  
SINCE JUL 1 6938 7353 -415 7932  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 0  
SINCE MAR 1 3 0 3 0  
SINCE JAN 1 3 0 3 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 16 3:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 2020  
MINIMUM TEMPERATURE (F) 42 27 1979  
 
SUNRISE AND SUNSET  
MAY 31 2024...........SUNRISE 5:30 AM MDT SUNSET 8:38 PM MDT  
JUNE 1 2024..........SUNRISE 5:30 AM MDT SUNSET 8:39 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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