condition mean min max 0 h after light 2.052065 1.82317 2.28096 2 h after light 0.748528 0.608533 0.888523 4 h after light 0.42027000000000003 0.289804 0.550736 8 h after light 0.710496 0.407102 1.01389 12 h after light 1.853755 1.68264 2.02487 2 h after dark 2.04482 1.65464 2.435 4 h after dark 1.615205 1.57283 1.65758 8 h after dark 2.339725 2.32776 2.35169 12 h after dark 1.318105 1.16346 1.47275