condition	mean	min	max
4 h after light	2.890745	2.47574	3.30575
8 h after light	1.534235	1.35979	1.70868
12 h after light	1.956245	1.76516	2.14733
4 h after dark	2.049235	1.93082	2.16765
8 h after dark	1.98624	1.68071	2.29177
12 h after dark	2.3356	1.90411	2.76709