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 | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Bighorn | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 2.59 | 0.00 | 0 |
| Cheyenne | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Laramie | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.62 | 0.00 | 0 |
| Little Snake | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 2.84 | 0.00 | 0 |
| Lower Green | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.64 | 0.00 | 0 |
| Lower North Platte | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 0.00 | 0 |
| Madison | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.19 | 5.38 | 0.00 | 0 |
| Powder | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.27 | 0.00 | 0 |
| Shoshone | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 3.77 | 8.45 | 0.00 | 0 |
| Snake | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.08 | 0.48 | 1.35 | 7.71 | 0.00 | 0 |
| South Platte | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Sweetwater | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Tongue | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.63 | 0.00 | 0 |
| Upper Bear | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.41 | 0.00 | 0 |
| Upper Green | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 3.66 | 0.00 | 0 |
| Upper North Platte | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 3.21 | 9.73 | 0.00 | 0 |
| Wind | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 1.61 | 4.03 | 0.00 | 0 |
| Yellowstone | 30 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.05 | 0.86 | 3.99 | 12.52 | 0.00 | 0 |