condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.022816100000000002 0.0 0.0684483 12 h after light 0.062414 0.0 0.187242 4 h after dark 0.091776 0.0 0.172176 8 h after dark 0.023271700000000003 0.0 0.0698151 12 h after dark 0.09120966666666666 0.0 0.193161