condition mean min max 4 h after light 153.6452545 148.375579 158.91493 8 h after light 193.0746085 191.693595 194.455622 12 h after light 450.63818499999996 306.654818 594.621552 4 h after dark 207.324457 146.029906 268.619008 8 h after dark 572.9831355 476.08642 669.879851 12 h after dark 91.800887 91.800887 91.800887