condition mean min max 3 h after light 0.3202966666666667 0.0 0.684574 6 h after light 0.10835666666666667 0.0 0.172451 9 h after light 0.19936066666666669 0.0 0.454641 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0