condition mean min max 2 h after light 0.03320716666666667 0.0 0.199243 6 h after light 0.0 0.0 0.0 10 h after light 0.095654 0.0 0.397046 14 h after light 0.0308065 0.0 0.184839 18 h after light 0.12595483333333332 0.0 0.51584 2 h after dark 0.04137816666666667 0.0 0.248269