condition	mean	min	max
4 h after light	3.090386333333333	3.0372529999999998	3.155442
8 h after light	2.295804	1.475731	2.738149
12 h after light	1.5246883333333334	1.441014	1.63914
16 h after light	3.06844	2.569375	3.6328089999999995
4 h after dark	2.6509303333333336	2.367356	2.958508
8 h after dark	1.654161	1.5843559999999999	1.707141