condition mean min max 0 h after light 4.1808 4.11244 4.24916 4 h after light 3.05701 2.42163 3.69239 8 h after light 7.15901 6.84023 7.47779 4 h after dark 6.6951149999999995 5.53893 7.8513 8 h after dark 4.985155000000001 4.79239 5.17792 12 h after dark 4.08935 4.02768 4.15102