683  
CDUS45 KRIW 160729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT SUN APR 16 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 15 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 46 4:25 PM 79 1962 56 -10 27  
MINIMUM 24 11:25 PM -3 1945 28 -4 16  
AVERAGE 35 42 -7  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 1.3 3.2 2000 0.4 0.9 1.9  
MONTH TO DATE 38.9 6.0 32.9 11.7  
SINCE MAR 1 48.2 16.3 31.9 32.4  
SINCE JUL 1 134.2 64.6 69.6 91.0  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 23 7 43  
MONTH TO DATE 429 363 66 473  
SINCE MAR 1 1609 1270 339 1460  
SINCE JUL 1 7310 6632 678 6319  
 
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 W (280)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 33 5:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 80 1994  
MINIMUM TEMPERATURE (F) 28 14 1951  
 
SUNRISE AND SUNSET  
APRIL 16 2023.........SUNRISE 6:23 AM MDT SUNSET 7:49 PM MDT  
APRIL 17 2023.........SUNRISE 6:21 AM MDT SUNSET 7:50 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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