condition mean min max 4 h after light 0.03492255 0.0 0.0698451 8 h after light 0.0718968 0.055345 0.0884486 12 h after light 0.0 0.0 0.0 4 h after dark 0.025485833333333333 0.0 0.0764575 8 h after dark 0.036003 0.0 0.108009 12 h after dark 0.0 0.0 0.0