condition	mean	min	max
4 h after light	3.6941376666666668	3.5181480000000005	3.978497
8 h after light	3.0894743333333334	3.062075	3.1371849999999997
12 h after light	1.6830853333333335	1.5027700000000002	1.8891930000000001
16 h after light	4.065218	3.5658589999999997	4.442606
4 h after dark	2.8826943333333332	2.578011	3.4280239999999997
8 h after dark	1.8034949999999998	1.719552	1.8865439999999998