988  
CDUS45 KRIW 280731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT FRI APR 28 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 27 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 61 12:52 PM 81 1952 59 2 66  
1992  
MINIMUM 35 11:59 PM 15 1984 30 5 37  
AVERAGE 48 45 3  
 
PRECIPITATION (IN)  
YESTERDAY T 0.68 1970 0.06 -0.06 0.00  
MONTH TO DATE 1.49 1.23 0.26 1.86  
SINCE MAR 1 2.14 2.07 0.07 3.40  
SINCE JAN 1 4.82 3.12 1.70 5.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 2005 0.3 -0.3 0.0  
MONTH TO DATE 38.9 9.8 29.1 18.5  
SINCE MAR 1 48.2 20.1 28.1 39.2  
SINCE JUL 1 134.2 68.4 65.8 97.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 20 -3 13  
MONTH TO DATE 712 625 87 753  
SINCE MAR 1 1892 1532 360 1740  
SINCE JUL 1 7593 6894 699 6599  
 
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 54 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 70 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 16.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 10:00 PM  
LOWEST 29 10:00 AM  
AVERAGE 57  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 80 2000  
2007  
2018  
MINIMUM TEMPERATURE (F) 31 13 1984  
 
SUNRISE AND SUNSET  
APRIL 28 2023.........SUNRISE 6:04 AM MDT SUNSET 8:03 PM MDT  
APRIL 29 2023.........SUNRISE 6:03 AM MDT SUNSET 8:04 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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