261  
CDUS45 KRIW 160731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT FRI JUN 16 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 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 69 1:30 PM 101 2021 79 -10 77  
MINIMUM 47 4:00 AM 35 1945 45 2 41  
AVERAGE 58 62 -4  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 0.60 1967 0.05 0.28 0.00  
MONTH TO DATE 2.21 0.75 1.46 0.21  
SINCE JUN 1 2.21 0.75 1.46 0.21  
SINCE JAN 1 9.06 6.26 2.80 8.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2021 0.0 MM 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 134.3 71.8 62.5 98.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 4 3 6  
MONTH TO DATE 72 88 -16 92  
SINCE JUN 1 72 88 -16 92  
SINCE JUL 1 8010 7448 562 7262  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 14 -14 13  
SINCE JUN 1 0 14 -14 13  
SINCE JAN 1 0 18 -18 13    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 58 2:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 2021  
MINIMUM TEMPERATURE (F) 45 33 2022  
 
SUNRISE AND SUNSET  
JUNE 16 2023..........SUNRISE 5:26 AM MDT SUNSET 8:47 PM MDT  
JUNE 17 2023..........SUNRISE 5:27 AM MDT SUNSET 8:47 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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