condition mean min max 4 h after light 314.332334 302.076951 326.587717 8 h after light 380.22011499999996 345.216414 415.223816 12 h after light 562.7317065 335.695535 789.767878 4 h after dark 450.4076105 407.508116 493.307105 8 h after dark 619.5619655 564.664532 674.459399 12 h after dark 289.370369 289.370369 289.370369