condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00840115 0.0 0.0168023 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.015640033333333334 0.0 0.0337324