condition mean min max 4 h after light 15.162923333333334 9.14657 21.4757 8 h after light 13.99554 6.18752 20.708 12 h after light 19.539233333333332 12.7529 25.5034 4 h after dark 24.9329 19.9565 27.463 8 h after dark 20.62526666666667 19.0633 22.2653 12 h after dark 22.4491 21.5211 23.2296