condition mean min max 2 h after light 33.763733333333334 31.3084 35.6189 6 h after light 67.8066 65.6078 71.9046 10 h after light 66.8898 65.602 67.6218 2 h after dark 36.2594 34.6657 37.2491 6 h after dark 27.390833333333333 25.708 28.9477 10 h after dark 23.0695 21.1028 24.8012