306  
CDUS45 KRIW 060731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT WED SEP 06 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 5 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 2:11 PM 98 2020 81 -12 97  
MINIMUM 49 11:24 PM 34 1965 46 3 50  
AVERAGE 59 63 -4  
 
PRECIPITATION (IN)  
YESTERDAY T 0.24 1993 0.03 -0.03 0.00  
MONTH TO DATE 0.22 0.11 0.11 0.00  
SINCE SEP 1 0.22 0.11 0.11 0.00  
SINCE JAN 1 12.70 8.94 3.76 10.39  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 4 2 0  
MONTH TO DATE 9 16 -7 0  
SINCE SEP 1 9 16 -7 0  
SINCE JUL 1 62 61 1 2  
 
COOLING  
YESTERDAY 0 2 -2 9  
MONTH TO DATE 18 11 7 40  
SINCE SEP 1 18 11 7 40  
SINCE JAN 1 340 423 -83 516    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 42 4:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 1978  
2022  
MINIMUM TEMPERATURE (F) 46 33 1956  
2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2023.....SUNRISE 6:36 AM MDT SUNSET 7:32 PM MDT  
SEPTEMBER 7 2023.....SUNRISE 6:37 AM MDT SUNSET 7:30 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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