condition mean min max 3 h after light 1.0224583333333332 0.40519 1.54506 7 h after light 0.61503025 0.249004 1.32719 11 h after light 0.8635435 0.0 2.43705 2 h after dark 0.9330158333333334 0.173926 1.69474 6 h after dark 1.06614375 0.314874 2.14136 10 h after dark 1.1751756666666666 0.320993 2.13365