condition	mean	min	max
0 h after light	9.729140000000001	8.65668	10.8016
4 h after light	8.05884	6.99842	9.11926
8 h after light	16.2283	14.1369	18.3197
4 h after dark	12.9069	12.7805	13.0333
8 h after dark	9.151785	7.96927	10.3343
12 h after dark	8.391639999999999	7.53722	9.24606