523  
CDUS45 KRIW 300026  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
626 PM MDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 29 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 80 3:49 PM 86 2009 68 12 81  
MINIMUM 36 5:45 AM 18 1984 37 -1 49  
AVERAGE 58 53 5 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.50 1995 0.04 -0.04 T  
2021  
MONTH TO DATE 0.59 0.91 -0.32 0.75  
SINCE SEP 1 0.59 0.91 -0.32 0.75  
SINCE JAN 1 13.07 9.74 3.33 11.14  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.4 -1.4 0.0  
SINCE SEP 1 0.0 1.4 -1.4 0.0  
SINCE JUL 1 0.0 1.4 -1.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 7 12 -5 0  
MONTH TO DATE 122 200 -78 137  
SINCE SEP 1 122 200 -78 137  
SINCE JUL 1 175 245 -70 139  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 20 29 -9 68  
SINCE SEP 1 20 29 -9 68  
SINCE JAN 1 342 441 -99 544    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 15  
AVERAGE 49  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1980  
MINIMUM TEMPERATURE (F) 37 17 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 7:01 AM MDT SUNSET 6:51 PM MDT  
SEPTEMBER 30 2023.....SUNRISE 7:02 AM MDT SUNSET 6:49 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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