condition mean min max 4 h after light 4.8139199999999995 3.53872 5.99341 8 h after light 2.964518 0.966814 4.70732 12 h after light 1.063942 0.710014 1.64921 4 h after dark 2.2178933333333335 1.20438 2.93211 8 h after dark 1.1596256666666667 0.584437 1.75389 12 h after dark 6.443183333333334 4.95932 9.28139