condition mean min max 2 h after light 1.579216 0.965928 2.27798 6 h after light 2.141503333333333 1.7467 2.36846 10 h after light 1.6474533333333332 1.56945 1.74416 2 h after dark 1.084343 0.254429 1.53317 6 h after dark 1.1695233333333335 1.07085 1.24635 10 h after dark 1.551804 0.552622 2.14927