condition mean min max 4 h after light 23.549 20.4985 26.5995 8 h after light 15.5976 13.3396 17.8556 12 h after light 17.99595 17.3129 18.679 4 h after dark 30.374533333333336 27.2576 32.02 8 h after dark 49.149 45.5644 51.6135 12 h after dark 43.280633333333334 37.7172 47.8254