condition mean min max 2 h after light 1.111449 0.890684 1.46749 6 h after light 1.8901750000000002 1.00676 3.21702 10 h after light 1.0365743333333333 0.203825 2.33577 14 h after light 1.5464368333333334 0.450701 2.24274 18 h after light 1.0666641666666665 0.49579 2.50392 2 h after dark 1.1998593333333334 0.225929 2.97372