condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.144271 0.0 0.865626 10 h after light 0.12526133333333334 0.0 0.751568 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.116158 0.0 0.696948