condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.2790165 0.0 0.558033 4 h after dark 0.0 0.0 0.0 8 h after dark 0.368538 0.0 0.737076 12 h after dark 0.48689099999999996 0.362825 0.610957