condition	mean	min	max
4 h after light	2.113265	1.58799	2.63854
8 h after light	1.598245	1.55176	1.64473
12 h after light	1.185295	1.16978	1.20081
4 h after dark	1.2568866666666667	1.03356	1.62883
8 h after dark	2.03121	1.33234	2.62971
12 h after dark	1.8293733333333333	1.60733	1.99111