condition mean min max 4 h after light 0.03401333333333333 0.0 0.10204 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 4.5e-07 0.0 1.35e-06 8 h after dark 0.025632000000000002 0.0 0.076896 12 h after dark 0.06743433333333333 0.0 0.202303