condition mean min max 0 h after light 12.89675 11.7449 14.0486 2 h after light 7.3014 5.60276 9.00004 4 h after light 5.934609999999999 4.92503 6.94419 8 h after light 8.64705 8.47132 8.82278 12 h after light 17.4613 16.3859 18.5367 2 h after dark 20.343200000000003 19.193 21.4934 4 h after dark 22.7316 22.2184 23.2448 8 h after dark 23.27995 22.4458 24.1141 12 h after dark 13.877749999999999 12.6314 15.1241