condition mean min max 4 h after light 2.5849923333333336 2.5133520000000003 2.6809540000000003 8 h after light 1.99304 1.502211 2.284657 12 h after light 1.3273723333333332 1.2691569999999999 1.422321 16 h after light 2.618682333333333 2.276914 3.089037 4 h after dark 2.1140383333333332 1.9529349999999999 2.368473 8 h after dark 1.4349813333333334 1.359125 1.482499