condition mean min max 0 h after light 7.752705 6.27741 9.228 2 h after light 15.7396 14.19 17.2892 4 h after light 3.42296 2.16077 4.68515 8 h after light 0.71363 0.655004 0.772256 12 h after light 6.462985 6.28146 6.64451 2 h after dark 2.42504 2.09783 2.75225 4 h after dark 2.6423550000000002 2.31966 2.96505 8 h after dark 4.563055 4.23907 4.88704 12 h after dark 8.66517 7.58381 9.74653