condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.1082 0.0 0.3246 12 h after light 0.07111433333333333 0.0 0.213343 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0