752  
CDUS45 KRIW 070728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT THU SEP 07 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 6 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 82 3:50 PM 96 1978 80 2 96  
2022  
MINIMUM 45 1:09 AM 33 1956 46 -1 53  
2010  
AVERAGE 64 63 1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 1951 0.02 -0.02 0.00  
MONTH TO DATE 0.22 0.13 0.09 0.00  
SINCE SEP 1 0.22 0.13 0.09 0.00  
SINCE JAN 1 12.70 8.96 3.74 10.39  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.1 -0.1 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  
YESTERDAY 1 4 -3 0  
MONTH TO DATE 10 20 -10 0  
SINCE SEP 1 10 20 -10 0  
SINCE JUL 1 63 65 -2 2  
 
COOLING  
YESTERDAY 0 2 -2 10  
MONTH TO DATE 18 13 5 50  
SINCE SEP 1 18 13 5 50  
SINCE JAN 1 340 425 -85 526    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 19 4:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 2022  
MINIMUM TEMPERATURE (F) 45 28 2010  
 
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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