condition	mean	min	max
4 h after light	1.22459	1.17499	1.27419
8 h after light	1.57336	1.40529	1.74143
12 h after light	1.98337	1.78824	2.1785
4 h after dark	2.2594700000000003	2.13886	2.49583
8 h after dark	1.66192	1.51418	1.7641
12 h after dark	1.8081	1.7031	1.97304