condition mean min max 0 h after light 2.6672700000000003 2.4503 2.88424 4 h after light 4.086069999999999 3.86538 4.30676 8 h after light 1.65735 1.49655 1.81815 4 h after dark 2.140645 1.80488 2.47641 8 h after dark 4.089119999999999 4.0154 4.16284 12 h after dark 4.022845 3.97639 4.0693