condition mean min max 4 h after light 378.837493 361.947478 395.727508 8 h after light 350.6614675 334.693595 366.62934 12 h after light 355.622886 307.770518 403.475254 4 h after dark 278.43476250000003 222.17593 334.693595 8 h after dark 195.187042 149.24781 241.126274 12 h after dark 448.919219 448.919219 448.919219