condition mean min max 4 h after light 133.612773 133.155134 134.070412 8 h after light 128.16263450000002 125.939366 130.385903 12 h after light 129.316436 125.238511 133.394361 4 h after dark 181.381553 133.754253 229.008853 8 h after dark 162.1822205 133.44702 190.917421 12 h after dark 112.215917 112.215917 112.215917