condition mean min max 4 h after light 386.9532485 318.078211 455.828286 8 h after light 309.8124405 248.022896 371.601985 12 h after light 543.8816455 441.52773 646.235561 4 h after dark 475.20495600000004 464.244216 486.165696 8 h after dark 493.2056195 477.724608 508.686631 12 h after dark 622.754339 622.754339 622.754339