Basin Click to View Chart | This Year Peak Date | This Year Peak SWE (inches) | Days Early/Late | Peak SWE Dif (inches) | Percent of Median Peak SWE | Median Peak Date | Median Peak SWE (inches) | Current SWE | Median Meltout Date |
---|---|---|---|---|---|---|---|---|---|
Belle Fourche | 07 Apr 2023 | 9.5 | 5 | 2.6 | 138% | 02 Apr ![]() | 6.9 ![]() | 0.0 | 30 Apr ![]() |
Bighorn | 09 Apr 2023 | 12.0 | -16 | 0.3 | 103% | 25 Apr ![]() | 11.7 ![]() | 0.0 | 19 Jun ![]() |
Cheyenne | 07 Apr 2023 | 9.2 | 5 | 1.7 | 123% | 02 Apr ![]() | 7.5 ![]() | 0.0 | 30 Apr ![]() |
Laramie | 08 Apr 2023 | 17.3 | -11 | 1.4 | 109% | 19 Apr ![]() | 15.9 ![]() | 0.2 | 12 Jun ![]() |
Little Snake | 09 Apr 2023 | 32.1 | 3 | 11.6 | 157% | 06 Apr ![]() | 20.5 ![]() | 5.7 | 19 Jun ![]() |
Lower Green | 09 Apr 2023 | 18.4 | 0 | 4.8 | 135% | 09 Apr ![]() | 13.6 ![]() | 1.3 | 12 Jun ![]() |
Lower North Platte | 09 Apr 2023 | 14.7 | -6 | 1.9 | 115% | 15 Apr ![]() | 12.8 ![]() | 0.0 | 29 May ![]() |
Madison | 09 Apr 2023 | 29.4 | -6 | 5.6 | 124% | 15 Apr ![]() | 23.8 ![]() | 6.6 | 24 Jun ![]() |
Powder | 08 Apr 2023 | 11.6 | -9 | 1.0 | 109% | 17 Apr ![]() | 10.6 ![]() | 0.0 | 08 Jun ![]() |
Shoshone | 09 Apr 2023 | 18.1 | -15 | 0.0 | 100% | 24 Apr ![]() | 18.1 ![]() | 1.6 | 29 Jun ![]() |
Snake | 25 Apr 2023 | 25.6 | 13 | 5.0 | 124% | 12 Apr ![]() | 20.6 ![]() | 4.0 | 28 Jun ![]() |
South Platte | 09 Apr 2023 | 6.0 | 11 | -1.2 | 83% | 29 Mar ![]() | 7.2 ![]() | 0.0 | 26 Apr ![]() |
Sweetwater | 28 Apr 2023 | 20.0 | 10 | 5.0 | 133% | 18 Apr ![]() | 15.0 ![]() | 2.5 | 05 Jun ![]() |
Tongue | 09 Apr 2023 | 12.8 | -23 | -0.6 | 96% | 02 May ![]() | 13.4 ![]() | 0.0 | 09 Jun ![]() |
Upper Bear | 09 Apr 2023 | 25.9 | -3 | 9.3 | 156% | 12 Apr ![]() | 16.6 ![]() | 2.5 | 15 Jun ![]() |
Upper Green | 08 Apr 2023 | 18.2 | -5 | 2.2 | 114% | 13 Apr ![]() | 16.0 ![]() | 2.5 | 18 Jun ![]() |
Upper North Platte | 09 Apr 2023 | 29.2 | -7 | 4.8 | 120% | 16 Apr ![]() | 24.4 ![]() | 8.6 | 26 Jun ![]() |
Wind | 28 Apr 2023 | 15.6 | 6 | 1.6 | 111% | 22 Apr ![]() | 14.0 ![]() | 1.1 | 25 Jun ![]() |
Yellowstone | 28 Apr 2023 | 24.1 | 4 | 2.9 | 114% | 24 Apr ![]() | 21.2 ![]() | 3.6 | 02 Jul ![]() |