condition mean min max 0 h after light 0.09934535 0.0374457 0.161245 2 h after light 0.0 0.0 0.0 4 h after light 0.0380476 0.0 0.0760952 8 h after light 0.057860400000000006 0.0386714 0.0770494 12 h after light 0.05898055000000001 0.0427437 0.0752174 2 h after dark 0.16093000000000002 0.154204 0.167656 4 h after dark 0.128688 0.10797 0.149406 8 h after dark 0.18727850000000001 0.12185 0.252707 12 h after dark 0.13531015 0.0399713 0.230649