condition mean min max 0 h after light 0.2345525 0.0 0.469105 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.2241575 0.0 0.448315 12 h after light 0.2188275 0.0 0.437655 2 h after dark 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 0.0 0.0 0.0