condition mean min max 2 h after light 0.6003401666666667 0.189992 1.35498 6 h after light 0.3443538333333333 0.0 0.75266 10 h after light 0.5131571666666667 0.0 1.43742 14 h after light 0.6420645 0.0 1.73408 18 h after light 0.385811 0.0 0.746995 2 h after dark 0.8305181666666667 0.338307 1.54353