condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 1.52085 0.0 3.0417 8 h after light 0.0 0.0 0.0 12 h after light 1.558275 0.0 3.11655 2 h after dark 0.0 0.0 0.0 4 h after dark 3.09523 0.0 6.19046 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0