condition mean min max 4 h after light 103.685 103.555 103.815 8 h after light 65.81495000000001 65.0043 66.6256 12 h after light 62.34355 62.3287 62.3584 4 h after dark 38.61635 36.4311 40.8016 8 h after dark 51.95245 51.6667 52.2382 12 h after dark 83.86225 81.9829 85.7416