condition mean min max 3 h after light 3.7069883333333333 1.90459 5.42921 7 h after light 4.129648333333334 2.23698 7.11971 11 h after light 4.7646775 2.46892 7.02743 2 h after dark 4.0369575 2.73125 4.94751 6 h after dark 3.4158625 1.96745 4.53102 10 h after dark 2.938318333333333 1.69016 4.19497