condition mean min max 3 h after light 1.047349 0.756895 1.4788 6 h after light 1.46252 1.29118 1.70011 9 h after light 1.1858433333333334 1.07013 1.28354 12 h after light 1.3148726666666668 0.612024 2.67343 3 h after dark 1.013049 0.553037 1.41696 6 h after dark 1.1740453333333334 0.654486 1.46813 9 h after dark 1.574746 0.893248 2.28925 12 h after dark 1.3396566666666667 1.06078 1.50383