condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.023649166666666666 0.0 0.141895 10 h after light 0.0 0.0 0.0 14 h after light 0.027821833333333334 0.0 0.166931 18 h after light 0.022851833333333335 0.0 0.137111 2 h after dark 0.023609500000000002 0.0 0.141657