condition mean min max 3 h after light 77.20646666666667 74.5416 80.223 6 h after light 69.38383333333334 57.2533 75.5797 9 h after light 73.52806666666666 65.8638 81.3133 12 h after light 89.970575 79.9256 96.51 3 h after dark 95.0406 82.8715 104.718 6 h after dark 96.53816666666667 93.8706 101.301 9 h after dark 86.84060000000001 82.5438 92.0104 12 h after dark 63.997600000000006 60.5619 67.4333