condition mean min max 2 h after light 0.077109 0.0 0.462654 6 h after light 0.06090266666666667 0.0 0.365416 10 h after light 0.12107383333333332 0.0 0.726443 14 h after light 0.1981715 0.0 0.759139 18 h after light 0.11217733333333334 0.0 0.353095 2 h after dark 0.0 0.0 0.0