420  
CDUS45 KRIW 110731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT THU APR 11 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 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 46 3:08 PM 76 1996 55 -9 61  
MINIMUM 24 11:26 PM -2 1997 27 -3 38  
AVERAGE 35 41 -6  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 0.53 1943 0.05 0.02 0.00  
MONTH TO DATE 0.90 0.40 0.50 1.31  
SINCE MAR 1 1.47 1.24 0.23 1.96  
SINCE JAN 1 2.50 2.29 0.21 4.37  
 
SNOWFALL (IN)  
YESTERDAY T 5.8 1958 0.4 -0.4 0.0  
MONTH TO DATE 5.0 4.0 1.0 37.4  
SINCE MAR 1 7.7 14.3 -6.6 46.7  
SINCE JUL 1 37.0 62.6 -25.6 125.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 24 6 15  
MONTH TO DATE 237 245 -8 335  
SINCE MAR 1 1130 1152 -22 1515  
SINCE JUL 1 6085 6514 -429 7215  
 
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 21 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 10:00 AM  
LOWEST 60 6:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 78 2012  
MINIMUM TEMPERATURE (F) 27 0 1997  
 
SUNRISE AND SUNSET  
APRIL 11 2024.........SUNRISE 6:30 AM MDT SUNSET 7:44 PM MDT  
APRIL 12 2024.........SUNRISE 6:28 AM MDT SUNSET 7:46 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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