515  
CDUS45 KRIW 160041  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
641 PM MDT SAT APR 15 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 15 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 46 4:25 PM 79 1962 56 -10 27  
MINIMUM 26 5:25 AM -3 1945 28 -2 16  
AVERAGE 36 42 -6 22  
 
PRECIPITATION (IN)  
TODAY 0.06 0.47 1940 0.05 0.01 0.13  
MONTH TO DATE 1.40 0.63 0.77 0.87  
SINCE MAR 1 2.05 1.47 0.58 2.41  
SINCE JAN 1 4.73 2.52 2.21 4.16  
 
SNOWFALL (IN)  
TODAY 0.2 0.4 -0.2 1.9  
MONTH TO DATE 37.8 6.0 31.8 11.7  
SINCE MAR 1 47.1 16.3 30.8 32.4  
SINCE JUL 1 133.1 64.6 68.5 91.0  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 29 23 6 43  
MONTH TO DATE 428 363 65 473  
SINCE MAR 1 1608 1270 338 1460  
SINCE JUL 1 7309 6632 677 6319  
 
COOLING  
TODAY 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 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 35  
AVERAGE 66  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 80 1994  
MINIMUM TEMPERATURE (F) 28 14 1951  
 
SUNRISE AND SUNSET  
APRIL 15 2023.........SUNRISE 6:24 AM MDT SUNSET 7:48 PM MDT  
APRIL 16 2023.........SUNRISE 6:23 AM MDT SUNSET 7:49 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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