condition mean min max 0 h after light 12.0196 10.417 13.6222 2 h after light 0.8863805 0.768261 1.0045 4 h after light 1.243335 1.23377 1.2529 8 h after light 4.67587 4.02601 5.32573 12 h after light 8.350655 7.58683 9.11448 2 h after dark 12.24925 10.9448 13.5537 4 h after dark 14.9329 12.1757 17.6901 8 h after dark 17.723399999999998 17.2607 18.1861 12 h after dark 11.19295 10.6421 11.7438