condition mean min max 1 h after light 3.537269901 3.537269901 3.537269901 3 h after light 4.5350679225 4.4925818 4.577554045 5 h after light 6.957900667999999 5.909871728 8.005929607999999 7 h after light 8.931780551500001 8.676950953 9.18661015 9 h after light 11.600633311500001 8.394611283 14.80665534 11 h after light 19.0792319 12.98553558 25.17292822 1 h after dark 23.95508373 22.74594363 25.16422383 3 h after dark 22.073616955 19.90488698 24.24234693 5 h after dark 19.947987385 18.26476775 21.63120702 7 h after dark 19.530781285 19.24874252 19.81282005 9 h after dark 15.723492929999999 14.05429641 17.39268945 11 h after dark 18.37664443 14.92862229 21.82466657