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 0.12992566666666666 0.0 0.389777 12 h after light 0.0 0.0 0.0 3 h after dark 0.15902633333333333 0.0 0.477079 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