condition mean min max 4 h after light 513.3948475 383.911775 642.87792 8 h after light 415.82135 378.770518 452.872182 12 h after light 289.3772125 257.278802 321.475623 4 h after dark 501.1842175 331.08717 671.281265 8 h after dark 655.2911065 577.545991 733.036222 12 h after dark 523.805194 523.805194 523.805194