123  
CDUS45 KRIW 190732  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT WED APR 19 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 18 2023
 
 
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)  
YESTERDAY  
MAXIMUM 63 1:17 PM 80 1946 57 6 58  
2001  
MINIMUM 35 11:59 PM 4 2013 28 7 19  
AVERAGE 49 42 7  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.70 1971 0.05 -0.02 0.00  
MONTH TO DATE 1.43 0.77 0.66 0.87  
SINCE MAR 1 2.08 1.61 0.47 2.41  
SINCE JAN 1 4.76 2.66 2.10 4.16  
 
SNOWFALL (IN)  
YESTERDAY T 10.2 1966 0.4 -0.4 0.0  
MONTH TO DATE 38.9 7.0 31.9 11.7  
SINCE MAR 1 48.2 17.3 30.9 32.4  
SINCE JUL 1 134.2 65.6 68.6 91.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 23 -7 26  
MONTH TO DATE 481 432 49 558  
SINCE MAR 1 1661 1339 322 1545  
SINCE JUL 1 7362 6701 661 6404  
 
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 47 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 63 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 13.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 5:00 PM  
LOWEST 28 1:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 81 1962  
MINIMUM TEMPERATURE (F) 28 -4 1966  
 
SUNRISE AND SUNSET  
APRIL 19 2023.........SUNRISE 6:18 AM MDT SUNSET 7:53 PM MDT  
APRIL 20 2023.........SUNRISE 6:16 AM MDT SUNSET 7:54 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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