condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.08494583333333333 0.0 0.170504 8 h after dark 0.0 0.0 0.0 12 h after dark 0.034243333333333334 0.0 0.10273