condition mean min max 4 h after light 5.041214999999999 4.90834 5.17409 8 h after light 4.474425 4.4113 4.53755 12 h after light 4.414985 4.21651 4.61346 4 h after dark 5.80634 5.68704 5.92564 8 h after dark 5.2394 4.93409 5.54471 12 h after dark 6.2217649999999995 6.08711 6.35642