condition mean min max 0 h after light 6.758915 6.50983 7.008 2 h after light 1.218105 0.0 2.43621 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 1.23848 0.0 2.47696 2 h after dark 2.23399 0.0 4.46798 4 h after dark 2.1250400000000003 2.0856 2.16448 8 h after dark 1.220345 0.0 2.44069 12 h after dark 4.49963 2.3163 6.68296