condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.021384833333333336 0.0 0.128309 14 h after light 0.05159666666666667 0.0 0.30958 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0