condition mean min max 4 h after light 109.5955 103.265 115.926 8 h after light 99.26405 96.6761 101.852 12 h after light 107.52215 95.0603 119.984 4 h after dark 102.69533333333334 101.521 104.767 8 h after dark 128.27066666666667 120.862 135.084 12 h after dark 120.35 115.15 123.66