374  
CDUS45 KRIW 180029  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
629 PM MDT SAT JUN 17 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 17 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 72 3:51 PM 97 1940 80 -8 97  
2022  
MINIMUM 38 2:06 AM 34 2000 46 -8 50  
AVERAGE 55 63 -8 74  
 
PRECIPITATION (IN)  
TODAY 0.00 1.25 1998 0.04 -0.04 0.00  
MONTH TO DATE 2.76 0.83 1.93 0.21  
SINCE JUN 1 2.76 0.83 1.93 0.21  
SINCE JAN 1 9.61 6.34 3.27 8.09  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 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  
TODAY 10 4 6 0  
MONTH TO DATE 99 96 3 97  
SINCE JUN 1 99 96 3 97  
SINCE JUL 1 8037 7456 581 7267  
 
COOLING  
TODAY 0 2 -2 9  
MONTH TO DATE 0 18 -18 22  
SINCE JUN 1 0 18 -18 22  
SINCE JAN 1 0 22 -22 22    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 33  
AVERAGE 65  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1994  
MINIMUM TEMPERATURE (F) 46 31 2020  
 
SUNRISE AND SUNSET  
JUNE 17 2023..........SUNRISE 5:27 AM MDT SUNSET 8:47 PM MDT  
JUNE 18 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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