condition mean min max 4 h after light 54.309235 40.083768 68.534702 8 h after light 82.386189 58.922273 105.850105 12 h after light 143.960671 91.924412 195.99693 4 h after dark 173.3149885 162.320997 184.30898 8 h after dark 225.54132750000002 180.773675 270.30898 12 h after dark 68.15919 68.15919 68.15919