condition	mean	min	max
4 h after light	3.541355666666667	3.3671230000000003	3.754857
8 h after light	2.5525623333333334	2.0129610000000002	2.8670150000000003
12 h after light	1.9058650000000001	1.460444	2.52516
16 h after light	3.36934	2.85487	3.941975
4 h after dark	2.8240556666666667	2.579009	3.286492
8 h after dark	1.951931	1.6941080000000002	2.365955