condition mean min max 4 h after light 454.4590405 421.924364 486.993717 8 h after light 412.97461350000003 365.861351 460.087876 12 h after light 446.87476549999997 421.770518 471.979013 4 h after dark 462.3808665 456.430583 468.33115 8 h after dark 410.891387 407.149308 414.633466 12 h after dark 509.498203 509.498203 509.498203