October 1, 2012 - The Black Hills region experienced one of its driest Septembers on record. Many stations did not record any precipitation for the entire month, setting or tying their driest September records. Most locations received less than 0.25 inches of precipitaton with only Cedar Butte, Martin, and Mission recording more than 0.25 inches. Temperatures were also above normal and several stations also had one of their warmest Septembers.
Check this page later for the addition of more stations.
Station |
Precipitation (inches) |
Ranking for Sep |
September Record |
| SOUTH DAKOTA | |||
| Bison | Trace | 1st | tied with 2011, 1969, 1952, 1935 |
| Cottonwood | 0.00 | 1st | tied with 1975 |
| Dupree | 0.15 | 9th | 0.01" in 1958 |
| Fort Meade | Trace | 1st | previous record: 0.02" in 1975 |
| Hot Springs | 0.03 | 1st | previous record: 0.04" in 1958 |
| Interior / Badlands Nat'l Park | 0.01 | 1st | previous record: 0.03" in 1979 |
| Lead | Trace | 1st | previous record: 0.04" in 1958 |
| Lemmon | 0.08 | 1st | tied with 1952 |
| Maurine / Opal | 0.00 | 1st | previous record: 0.06" in 1979, 1976 |
| Milesville | 0.05 | 2nd | 0.00" in 1916 |
| Mission 14S | 0.20 | 2nd | 0.00" in 1953 |
| Mount Rushmore | 0.14 | 1st | tied with 1975 |
| Newell | 0.00 | 1st | tied with 1975, 1922 |
| Oelrichs | 0.18 | 11th | 0.00" in 1956, 1933, 1920, 1916, 1893 |
| Pactola | 0.06 | 2nd | 0.04" in 1975 |
| Rapid City - downtown | 0.03 | 2nd | 0.02" in 1888 |
| Rapid City - airport | 0.14 | 4th | 0.03" in 1975, 1958 |
| WYOMING | |||
| Gillette 4SE | 0.04 | 4th | 0.00" in 1952 |
| Newcastle | 0.13 | 8th | 0.00" in 1954 |
| Sundance | Trace | 1st | previous record: 0.10" in 1922 |
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Station |
Average Temperature |
September Ranking |
September Record |
| Bison | 64.3 | 5th | 68.3 degrees in 1998 |
| Interior / Badlands Nat'l Park | 69.0 | 8th | 72.9 degrees in 1998 |
| Milesville | 66.0 | 9th | 69.7 degrees in 1998 |
| Mission 14S | 64.2 | 8th | 69.2 degrees in 1998 |
| Rapid City - downtown | 66.4 | 7th | 68.8 degrees in 1897 |