condition mean min max 2 h after light 2.81324 1.20046 5.01132 6 h after light 3.27385 1.74837 5.47421 10 h after light 2.70973 1.04667 4.06798 14 h after light 2.600955 1.54435 4.1021 18 h after light 2.2990453333333334 0.856132 4.57917 2 h after dark 1.5371518333333334 0.734638 2.89117