452  
CDUS45 KRIW 060031  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
631 PM MDT TUE SEP 05 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 5 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 69 2:11 PM 98 2020 81 -12 97  
MINIMUM 51 8:40 AM 34 1965 46 5 50  
AVERAGE 60 63 -3 74  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 0.0 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  
TODAY 5 4 1 0  
MONTH TO DATE 8 16 -8 0  
SINCE SEP 1 8 16 -8 0  
SINCE JUL 1 61 61 0 2  
 
COOLING  
TODAY 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 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 42  
AVERAGE 70  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 1978  
2022  
MINIMUM TEMPERATURE (F) 46 33 1956  
2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2023.....SUNRISE 6:35 AM MDT SUNSET 7:34 PM MDT  
SEPTEMBER 6 2023.....SUNRISE 6:36 AM MDT SUNSET 7:32 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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