671  
CDUS45 KRIW 220728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST SAT NOV 22 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR NOVEMBER 21 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 57 2:57 PM 61 1989 43 14 56  
2012  
MINIMUM 22 2:14 AM -16 1947 20 2 35  
AVERAGE 40 32 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.53 1983 0.03 -0.03 0.00  
MONTH TO DATE 0.03 0.47 -0.44 0.12  
SINCE SEP 1 4.14 2.61 1.53 1.87  
SINCE JAN 1 11.45 11.44 0.01 8.85  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.4 1983 0.3 -0.3 0.0  
MONTH TO DATE T 6.1 -6.1 T  
SINCE SEP 1 1.3 14.6 -13.3 T  
SINCE JUL 1 1.3 14.6 -13.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 33 -8 19  
MONTH TO DATE 410 615 -205 601  
SINCE SEP 1 1065 1440 -375 1161  
SINCE JUL 1 1075 1485 -410 1199  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 17 31 -14 63  
SINCE JAN 1 467 443 24 538    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 40 4:00 PM  
AVERAGE 70  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 61 2002  
2006  
MINIMUM TEMPERATURE (F) 20 -20 1947  
 
SUNRISE AND SUNSET  
NOVEMBER 22 2025......SUNRISE 7:07 AM MST SUNSET 4:37 PM MST  
NOVEMBER 23 2025......SUNRISE 7:08 AM MST SUNSET 4:36 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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