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 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.032155333333333334 0.0 0.096466 6 h after dark 0.0 0.0 0.0 9 h after dark 0.04928633333333333 0.0 0.147859 12 h after dark 0.0 0.0 0.0