condition mean min max 3 h after light 48.866591666666665 33.3912 66.6296 7 h after light 48.41846666666667 36.0182 79.4335 11 h after light 48.058625 36.0519 64.0605 2 h after dark 58.002716666666664 40.7087 81.4712 6 h after dark 64.014775 52.8564 81.513 10 h after dark 57.99110833333333 44.2504 80.136