condition mean min max 4 h after light 0.840256 0.795414 0.885098 8 h after light 0.6135165 0.280212 0.946821 12 h after light 0.8308555 0.762671 0.89904 4 h after dark 1.7689300000000001 1.44209 1.98623 8 h after dark 1.2083253333333333 0.838256 1.48643 12 h after dark 1.0274213333333333 0.711103 1.38554