condition mean min max 4 h after light 5.459585000000001 4.60167 6.3175 8 h after light 4.038955 3.86477 4.21314 12 h after light 4.756325 4.24924 5.26341 4 h after dark 5.849213333333333 5.66373 6.18448 8 h after dark 5.751986666666666 5.41944 5.93719 12 h after dark 5.4977800000000006 4.855 6.12985