condition mean min max 0 h after light 8.330960000000001 7.72672 8.9352 2 h after light 16.2526 15.0732 17.432 4 h after light 8.81803 7.44166 10.1944 8 h after light 3.698455 3.32802 4.06889 12 h after light 2.984545 2.6481 3.32099 2 h after dark 2.472035 1.47562 3.46845 4 h after dark 3.523785 2.95649 4.09108 8 h after dark 5.719605 4.44838 6.99083 12 h after dark 8.194865 7.81946 8.57027