condition mean min max 0 h after light 50.9448 47.5767 54.3129 2 h after light 61.1121 59.8268 62.3974 4 h after light 91.50290000000001 90.3575 92.6483 8 h after light 69.8211 63.156 76.4862 12 h after light 88.6055 86.6106 90.6004 2 h after dark 96.08070000000001 89.0104 103.151 4 h after dark 67.53675 63.923 71.1505 8 h after dark 54.8981 54.6933 55.1029 12 h after dark 56.09175 54.3165 57.867