condition mean min max 0 h after light 0.9112214999999999 0.733003 1.08944 2 h after light 0.1364215 0.0 0.272843 4 h after light 4.280505 4.27159 4.28942 8 h after light 64.34685 57.6612 71.0325 12 h after light 20.210050000000003 14.7714 25.6487 2 h after dark 19.7491 18.7488 20.7494 4 h after dark 18.046950000000002 17.1154 18.9785 8 h after dark 6.252845 5.61302 6.89267 12 h after dark 0.3578475 0.279602 0.436093