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 | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Bighorn | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 2.12 | 7.57 | 0.00 | 0 |
| Cheyenne | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Laramie | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 9.53 | 0.00 | 0 |
| Little Snake | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.12 | 1.32 | 2.52 | 7.40 | 0.00 | 0 |
| Lower Green | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.76 | 4.13 | 0.00 | 0 |
| Lower North Platte | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.85 | 0.00 | 0 |
| Madison | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.86 | 1.56 | 4.82 | 11.74 | 0.00 | 0 |
| Powder | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.95 | 2.76 | 0.00 | 0 |
| Shoshone | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 1.08 | 4.21 | 8.22 | 14.45 | 0.00 | 0 |
| Snake | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.15 | 1.25 | 2.32 | 4.05 | 15.33 | 0.00 | 0 |
| South Platte | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Sweetwater | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.25 | 4.57 | 0.00 | 0 |
| Tongue | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 4.17 | 0.00 | 0 |
| Upper Bear | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 1.44 | 9.46 | 0.00 | 0 |
| Upper Green | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 1.92 | 8.15 | 0.00 | 0 |
| Upper North Platte | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.07 | 0.79 | 3.18 | 7.50 | 16.07 | 0.09 | 11 |
| Wind | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.71 | 1.77 | 3.71 | 7.29 | 0.00 | 0 |
| Yellowstone | 21 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.13 | 2.51 | 6.10 | 9.71 | 20.27 | 0.00 | 0 |