condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0285836 0.0 0.0857508 12 h after light 0.0 0.0 0.0 3 h after dark 0.04178866666666667 0.0 0.125366 6 h after dark 0.0 0.0 0.0 9 h after dark 0.17908466666666667 0.0 0.384313 12 h after dark 0.0 0.0 0.0