condition mean min max 3 h after light 4.80224 3.11289 7.28724 6 h after light 9.28562 4.9074 16.7471 9 h after light 22.2958 16.129 31.3569 12 h after light 26.0877 18.984 36.4335 3 h after dark 96.37053333333334 80.7104 120.524 6 h after dark 21.063066666666668 15.8787 24.0155 9 h after dark 17.118833333333335 10.0795 29.5242 12 h after dark 10.483106666666666 4.93642 16.423