condition mean min max 2 h after light 0.117426 0.0 0.576991 6 h after light 0.06484283333333334 0.0 0.275126 10 h after light 0.07485116666666666 0.0 0.254209 14 h after light 0.0681415 0.0 0.268065 18 h after light 0.088632 0.0 0.220178 2 h after dark 0.1870455 0.0 0.341218