131  
CDUS45 KRIW 080741  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
141 AM MDT WED OCT 08 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 7 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 3:33 PM 83 1979 64 -3 76  
MINIMUM 28 4:28 AM 14 1970 34 -6 38  
2000  
AVERAGE 45 49 -4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 1949 0.04 -0.04 0.00  
MONTH TO DATE 0.66 0.32 0.34 0.00  
SINCE SEP 1 3.21 1.27 1.94 0.24  
SINCE JAN 1 10.52 10.10 0.42 7.22  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1970 0.2 -0.2 0.0  
MONTH TO DATE 0.0 1.3 -1.3 0.0  
SINCE SEP 1 0.0 2.8 -2.8 0.0  
SINCE JUL 1 0.0 2.8 -2.8 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 16 4 8  
MONTH TO DATE 96 103 -7 72  
SINCE SEP 1 209 317 -108 174  
SINCE JUL 1 219 362 -143 212  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 17 30 -13 63  
SINCE JAN 1 467 442 25 538    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1:00 AM  
LOWEST 25 12:00 PM  
AVERAGE 59  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 81 2020  
MINIMUM TEMPERATURE (F) 34 12 1970  
2000  
 
SUNRISE AND SUNSET  
OCTOBER 8 2025.......SUNRISE 7:12 AM MDT SUNSET 6:34 PM MDT  
OCTOBER 9 2025.......SUNRISE 7:13 AM MDT SUNSET 6:33 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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