condition mean min max 4 h after light 2.7979849999999997 2.4693 3.12667 8 h after light 3.056685 2.90806 3.20531 12 h after light 5.100020000000001 4.67238 5.52766 4 h after dark 7.66854 7.39007 7.94701 8 h after dark 5.88844 5.0334 6.74348 12 h after dark 4.105195 4.08409 4.1263