condition mean min max 4 h after light 90.866417 77.808467 103.924367 8 h after light 92.2585765 91.450526 93.066627 12 h after light 96.204206 93.656923 98.751489 4 h after dark 145.3529815 109.285798 181.420165 8 h after dark 193.6069015 157.194655 230.019148 12 h after dark 103.924367 103.924367 103.924367