condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01207585 0.0 0.0241517 12 h after light 0.0 0.0 0.0 4 h after dark 0.006959133333333333 0.0 0.0208774 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0