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 | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Bighorn | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.07 | 0.65 | 3.28 | 8.74 | 0.00 | 0 |
| Cheyenne | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Laramie | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 12.72 | 0.00 | 0 |
| Little Snake | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.47 | 1.97 | 3.35 | 8.31 | 0.01 | 2 |
| Lower Green | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 2.85 | 4.89 | 0.00 | 0 |
| Lower North Platte | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.25 | 0.00 | 0 |
| Madison | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.23 | 1.76 | 2.68 | 5.73 | 12.90 | 0.00 | 0 |
| Powder | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.70 | 3.40 | 0.00 | 0 |
| Shoshone | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.01 | 2.43 | 5.09 | 9.86 | 16.12 | 0.00 | 0 |
| Snake | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.37 | 1.74 | 2.74 | 5.45 | 16.90 | 0.16 | 9 |
| South Platte | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Sweetwater | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.56 | 5.17 | 0.00 | 0 |
| Tongue | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.28 | 5.53 | 0.00 | 0 |
| Upper Bear | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 2.90 | 10.97 | 0.00 | 0 |
| Upper Green | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.01 | 0.81 | 3.04 | 9.21 | 0.00 | 0 |
| Upper North Platte | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.39 | 1.64 | 5.00 | 9.16 | 17.46 | 0.49 | 30 |
| Wind | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 1.09 | 2.36 | 4.91 | 9.27 | 0.00 | 0 |
| Yellowstone | 18 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.63 | 4.08 | 7.06 | 12.00 | 21.52 | 0.05 | 1 |