condition mean min max 4 h after light 1614.365 1435.886667 1873.625 8 h after light 1422.0494446666667 1391.386667 1441.816667 12 h after light 1173.9122223333334 1027.793333 1276.106667 1.5 h after dark 1295.3600003333333 1245.456667 1330.046667 5.5 h after dark 1530.9944443333334 1423.18 1701.13 9.5 h after dark 1584.501111 1482.72 1767.92