condition mean min max 0 h after light 5.782215 4.36499 7.19944 2 h after light 7.58295 7.38179 7.78411 4 h after light 8.224535 7.95376 8.49531 8 h after light 17.1886 16.1857 18.1915 12 h after light 21.675849999999997 20.6714 22.6803 2 h after dark 20.402250000000002 18.6221 22.1824 4 h after dark 18.705 17.94 19.47 8 h after dark 13.80615 13.2048 14.4075 12 h after dark 10.02038 9.35406 10.6867