condition mean min max 0 h after light 3.35671 2.8527 3.86072 4 h after light 0.733923 0.238106 1.22974 8 h after light 0.546285 0.43752 0.65505 4 h after dark 2.3380099999999997 2.29507 2.38095 8 h after dark 0.9642055 0.843881 1.08453 12 h after dark 2.771575 2.68795 2.8552