condition mean min max 0 h after light 4.37783 0.0 8.75566 2 h after light 2.457505 0.0 4.91501 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 2.498615 0.0 4.99723 2 h after dark 2.450115 0.0 4.90023 4 h after dark 4.287235 4.20766 4.36681 8 h after dark 7.38605 0.0 14.7721 12 h after dark 2.33655 0.0 4.6731