938  
CDUS45 KRIW 080028  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
628 PM MDT THU SEP 07 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 7 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 83 2:25 PM 96 2022 80 3 96  
MINIMUM 51 5:34 AM 28 2010 45 6 52  
AVERAGE 67 63 4 74  
 
PRECIPITATION (IN)  
TODAY 0.01 0.68 1946 0.03 -0.02 0.00  
MONTH TO DATE 0.23 0.16 0.07 0.00  
SINCE SEP 1 0.23 0.16 0.07 0.00  
SINCE JAN 1 12.71 8.99 3.72 10.39  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 10 24 -14 0  
SINCE SEP 1 10 24 -14 0  
SINCE JUL 1 63 69 -6 2  
 
COOLING  
TODAY 2 2 0 9  
MONTH TO DATE 20 15 5 59  
SINCE SEP 1 20 15 5 59  
SINCE JAN 1 342 427 -85 535    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 18  
AVERAGE 48  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 92 1994  
1998  
2005  
MINIMUM TEMPERATURE (F) 45 29 1962  
2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2023.....SUNRISE 6:37 AM MDT SUNSET 7:30 PM MDT  
SEPTEMBER 8 2023.....SUNRISE 6:38 AM MDT SUNSET 7:28 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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