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Historical Casper Weather Data
| Record High Temp (°F) |
Normal High Temp (°F) |
Normal Low Temp (°F) |
Record Low Temp (°F) |
Normal Monthly Precipitation (in.) |
Normal Monthly Snowfall (in.) |
|
|---|---|---|---|---|---|---|
| January | 60 | 32.3 | 12.2 | -40 | 0.58 | 9.4 |
| February | 68 | 37 | 16.4 | -30 | 0.64 | 10.3 |
| March | 75 | 46.9 | 23.1 | -21 | 0.9 | 12.8 |
| April | 84 | 56.1 | 29.3 | -6 | 12.3 | |
| May | 95 | 66.4 | 37.9 | 16 | 2.38 | 3.4 |
| June | 102 | 78.8 | 46.6 | 28 | 1.43 | 0.2 |
| July | 104 | 86.8 | 53.2 | 30 | 1.29 | T |
| August | 102 | 85.3 | 51.8 | 33 | 0.73 | T |
| September | 97 | 73.4 | 41.7 | 16 | 0.98 | |
| October | 87 | 59.5 | 31.8 | -3 | 1.14 | 6.1 |
| November | 72 | 42.6 | 21.3 | -21 | 0.82 | 10.7 |
| December | 63 | 33.6 | 14 | -41 | 0.62 | 10.2 |
