condition	mean	min	max
4 h after light	2.02741	1.94972	2.1051
8 h after light	1.53514	1.36456	1.70572
12 h after light	1.43242	1.03162	1.83322
4 h after dark	2.51569	2.11806	2.91332
8 h after dark	1.514775	1.35062	1.67893
12 h after dark	2.23642	2.01223	2.46061