398  
CDUS45 KRIW 020030  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
630 PM MDT FRI SEP 01 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 1 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 91 2:50 PM 97 1995 82 9 96  
MINIMUM 46 1:30 AM 32 1965 47 -1 48  
AVERAGE 69 65 4 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.62 1973 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.00  
SINCE SEP 1 0.00 0.02 -0.02 0.00  
SINCE JAN 1 12.48 8.85 3.63 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 0 3 -3 0  
MONTH TO DATE 0 3 -3 0  
SINCE SEP 1 0 3 -3 0  
SINCE JUL 1 53 48 5 2  
 
COOLING  
TODAY 4 3 1 7  
MONTH TO DATE 4 3 1 7  
SINCE SEP 1 4 3 1 7  
SINCE JAN 1 326 415 -89 483    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60  
LOWEST 16  
AVERAGE 38  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 2019  
MINIMUM TEMPERATURE (F) 47 32 2008  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 6:30 AM MDT SUNSET 7:41 PM MDT  
SEPTEMBER 2 2023.....SUNRISE 6:31 AM MDT SUNSET 7:39 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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