condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.015667083333333335 0.0 0.0940025 10 h after light 0.0147428 0.0 0.0884568 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0