836  
CDUS45 KRIW 100734  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT TUE MAR 10 2026  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 9 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 3:05 PM 69 1972 46 20 43  
MINIMUM 21 10:45 PM -22 2022 21 0 29  
AVERAGE 44 34 10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 1956 0.03 -0.03 0.00  
MONTH TO DATE 0.03 0.21 -0.18 0.87  
SINCE MAR 1 0.03 0.21 -0.18 0.87  
SINCE JAN 1 0.57 1.26 -0.69 1.59  
 
SNOWFALL (IN)  
YESTERDAY MM 6.6 2019 0.3 MM 0.0  
MONTH TO DATE T 3.0 -3.0 5.5  
SINCE MAR 1 T 3.0 -3.0 5.5  
SINCE JUL 1 15.7 51.3 -35.6 16.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 31 -10 29  
MONTH TO DATE 202 298 -96 309  
SINCE MAR 1 202 298 -96 309  
SINCE JUL 1 4379 5660 -1281 5324  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 46 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 62 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 24.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 11:00 PM  
LOWEST 19 3:00 PM  
AVERAGE 54  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 70 1972  
1989  
MINIMUM TEMPERATURE (F) 21 -25 2022  
 
SUNRISE AND SUNSET  
MARCH 10 2026.........SUNRISE 7:26 AM MDT SUNSET 7:06 PM MDT  
MARCH 11 2026.........SUNRISE 7:25 AM MDT SUNSET 7:08 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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