condition mean min max 4 h after light 93.5 93.5 93.5 8 h after light 123.6 118.5 128.7 12 h after light 127.25 121.3 133.2 4 h after dark 88.4 71.9 104.9 8 h after dark 104.3 70.5 138.1 12 h after dark 86.19999999999999 82.3 90.1