condition	mean	min	max
0 h after light	2.960695	2.91139	3.01
4 h after light	3.179385	2.76302	3.59575
8 h after light	2.03653	1.643	2.43006
4 h after dark	2.09396	2.03876	2.14916
8 h after dark	3.353455	3.29871	3.4082
12 h after dark	2.664515	2.59134	2.73769