condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.9065605 0.891647 0.921474 8 h after light 1.0130305000000002 0.460291 1.56577 4 h after dark 1.778585 1.11463 2.44254 8 h after dark 0.560428 0.22267 0.898186 12 h after dark 0.4466535 0.441735 0.451572