condition mean min max 0 h after light 20.5644 19.6854 21.4434 2 h after light 10.57047 9.62054 11.5204 4 h after light 7.825995 6.9635 8.68849 8 h after light 2.84715 2.58136 3.11294 12 h after light 5.4386849999999995 5.02083 5.85654 2 h after dark 5.556545 5.15385 5.95924 4 h after dark 6.966495 6.32204 7.61095 8 h after dark 11.4283 10.1313 12.7253 12 h after dark 19.84805 18.7724 20.9237