condition mean min max 4 h after light 7.3 7.3 7.3 8 h after light 12.200000000000001 6.8 17.6 12 h after light 33.8 18.4 49.2 4 h after dark 38.050000000000004 8.7 67.4 8 h after dark 51.6 48.5 54.7 12 h after dark 63.949999999999996 57.8 70.1