479  
CDUS45 KRIW 170727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT MON APR 17 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 16 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 59 2:33 PM 80 1994 56 3 53  
MINIMUM 23 12:05 AM 14 1951 28 -5 16  
AVERAGE 41 42 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.84 1976 0.04 -0.04 0.00  
MONTH TO DATE 1.40 0.67 0.73 0.87  
SINCE MAR 1 2.05 1.51 0.54 2.41  
SINCE JAN 1 4.73 2.56 2.17 4.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.5 2013 0.3 -0.3 0.0  
MONTH TO DATE 38.9 6.3 32.6 11.7  
SINCE MAR 1 48.2 16.6 31.6 32.4  
SINCE JUL 1 134.2 64.9 69.3 91.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 23 1 30  
MONTH TO DATE 453 386 67 503  
SINCE MAR 1 1633 1293 340 1490  
SINCE JUL 1 7334 6655 679 6349  
 
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 25 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 14.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 2:00 AM  
LOWEST 21 1:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 81 1994  
MINIMUM TEMPERATURE (F) 28 15 1945  
 
SUNRISE AND SUNSET  
APRIL 17 2023.........SUNRISE 6:21 AM MDT SUNSET 7:50 PM MDT  
APRIL 18 2023.........SUNRISE 6:20 AM MDT SUNSET 7:52 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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