condition mean min max 3 h after light 4.117525 1.00619 14.0589 7 h after light 3.6758658333333334 1.15365 13.8174 11 h after light 3.3688041666666666 1.51722 9.95647 2 h after dark 4.362536666666666 1.46501 9.53121 6 h after dark 2.9875125000000002 1.25561 7.57435 10 h after dark 3.492335 1.11573 13.4238