condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.041209333333333334 0.0 0.0640637 9 h after light 0.021153433333333332 0.0 0.0634603 12 h after light 0.014144425 0.0 0.0565777 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.072186 0.0 0.144372