Water Resources Data System & State Climate Office
Water Resources Data System & State Climate Office
Water Resources Data System & State Climate Office
| Basin Click to View Chart | Date | Today SWE (inches) | Today SWE % of Median | Minimum SWE (in) | 10th Percentile (inches) | 30th Percentile Inches | Median (inches) | 70th Percentile (inches) | 90th Percentile (inches) | Maximum (inches) | Last Year SWE (inches) | Last Year SWE % of Median |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belle Fourche | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Bighorn | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.71 | 1.30 | 0.00 | 0 |
| Cheyenne | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Laramie | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.85 | 0.04 | 0 |
| Little Snake | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.00 | 0.00 | 0 |
| Lower Green | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.53 | 0.00 | 0 |
| Lower North Platte | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 1.45 | 0.03 | 0 |
| Madison | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.12 | 0.80 | 0.00 | 0 |
| Powder | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.49 | 1.00 | 0.00 | 0 |
| Shoshone | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.62 | 1.68 | 0.00 | 0 |
| Snake | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.18 | 0.69 | 0.00 | 0 |
| South Platte | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Sweetwater | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 1.50 | 0.00 | 0 |
| Tongue | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.75 | 1.63 | 0.00 | 0 |
| Upper Bear | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 1.20 | 0.00 | 0 |
| Upper Green | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.56 | 0.00 | 0 |
| Upper North Platte | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.22 | 1.41 | 0.01 | 0 |
| Wind | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.27 | 1.32 | 0.00 | 0 |
| Yellowstone | 27 Sep 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.34 | 2.07 | 0.00 | 0 |