condition mean min max 0 h after light 3.914105 3.66432 4.16389 2 h after light 1.55546 1.42846 1.68246 4 h after light 0.58556 0.498872 0.672248 8 h after light 21.47655 18.5534 24.3997 12 h after light 66.22435 65.1815 67.2672 2 h after dark 34.2396 31.2801 37.1991 4 h after dark 24.70775 24.4688 24.9467 8 h after dark 19.400100000000002 18.3751 20.4251 12 h after dark 4.88675 4.18309 5.59041