condition mean min max 4 h after light 571.077005 365.692283 776.461727 8 h after light 464.86100250000004 405.413025 524.30898 12 h after light 406.914734 376.616672 437.212796 4 h after dark 263.517483 162.155134 364.879832 8 h after dark 317.4446715 258.272671 376.616672 12 h after dark 565.018886 565.018886 565.018886