condition	mean	min	max
4 h after light	2.098665	1.52272	2.67461
8 h after light	1.483765	1.34991	1.61762
12 h after light	2.98118	2.01423	3.94813
4 h after dark	6.82303	4.92412	8.72194
8 h after dark	3.585935	3.42818	3.74369
12 h after dark	2.558915	2.28249	2.83534