condition	mean	min	max
4 h after light	3.67526	3.05886	4.29166
8 h after light	2.57591	2.16445	2.98737
12 h after light	2.236765	2.09341	2.38012
4 h after dark	1.789555	1.69709	1.88202
8 h after dark	1.9822950000000001	1.97353	1.99106
12 h after dark	2.979405	2.60585	3.35296