condition mean min max 3 h after light 0.24453833333333333 0.201384 0.275887 6 h after light 0.766808 0.177355 1.27579 9 h after light 1.515308 0.981674 2.16647 12 h after light 0.5877065 0.0 1.44863 3 h after dark 1.1951096666666667 0.622129 1.65893 6 h after dark 0.17915166666666668 0.0 0.537455 9 h after dark 0.0 0.0 0.0 12 h after dark 0.2625845 0.205363 0.319806