condition mean min max 4 h after light 0.0336049 0.0 0.0672098 8 h after light 0.0 0.0 0.0 12 h after light 0.03325235 0.0 0.0665047 4 h after dark 0.02907615 0.0 0.0581523 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0