332  
CDUS45 KRIW 110727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SAT MAY 11 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 10 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 61 5:15 PM 85 1961 64 -3 72  
MINIMUM 37 1:19 AM 20 1990 35 2 31  
AVERAGE 49 50 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.97 1980 0.07 -0.07 0.01  
MONTH TO DATE 1.26 0.68 0.58 0.21  
SINCE MAR 1 3.05 2.93 0.12 2.35  
SINCE JAN 1 4.08 3.98 0.10 4.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.5 1980 0.1 -0.1 0.0  
MONTH TO DATE 3.9 1.5 2.4 0.0  
SINCE MAR 1 13.2 22.3 -9.1 48.3  
SINCE JUL 1 42.5 70.6 -28.1 127.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 16 0 13  
MONTH TO DATE 214 174 40 128  
SINCE MAR 1 1740 1763 -23 2070  
SINCE JUL 1 6695 7125 -430 7770  
 
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 10 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 37 5:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 83 1940  
MINIMUM TEMPERATURE (F) 35 17 1968  
 
SUNRISE AND SUNSET  
MAY 11 2024...........SUNRISE 5:47 AM MDT SUNSET 8:19 PM MDT  
MAY 12 2024...........SUNRISE 5:45 AM MDT SUNSET 8:20 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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