condition mean min max 0 h after light 3.373475 2.83388 3.91307 2 h after light 2.1462149999999998 1.49674 2.79569 4 h after light 2.626295 2.60246 2.65013 8 h after light 1.9433449999999999 1.91037 1.97632 12 h after light 3.8442950000000002 3.32974 4.35885 2 h after dark 4.158085 4.14111 4.17506 4 h after dark 4.109505 4.10288 4.11613 8 h after dark 4.13279 3.70423 4.56135 12 h after dark 3.2484 2.77548 3.72132