condition mean min max 2 h after light 0.14607283333333335 0.0 0.308321 6 h after light 0.16376545 0.0 0.649387 10 h after light 0.17122791666666667 0.0 0.40343 14 h after light 0.168635 0.0 1.01181 18 h after light 0.10054086666666667 0.0 0.235309 2 h after dark 0.1111225 0.0 0.324148