condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.016783333333333334 0.0 0.1007 10 h after light 0.0 0.0 0.0 14 h after light 0.05834 0.0 0.126972 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0