condition mean min max 4 h after light 855.46435 807.493026 903.435674 8 h after light 698.564332 690.462304 706.66636 12 h after light 622.4275805 612.453867 632.401294 4 h after dark 566.5974484999999 548.385959 584.808938 8 h after dark 428.087049 319.815587 536.358511 12 h after dark 815.789338 815.789338 815.789338