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 0.0 0.0 0.0 14 h after light 0.04572466666666666 0.0 0.274348 18 h after light 0.04579966666666666 0.0 0.274798 2 h after dark 0.08920533333333334 0.0 0.535232