condition	mean	min	max
4 h after light	4.031515000000001	3.79643	4.2666
8 h after light	4.169825	3.80026	4.53939
12 h after light	5.73886	5.26614	6.21158
4 h after dark	4.46437	4.35611	4.5995
8 h after dark	4.84803	4.47005	5.51954
12 h after dark	4.45229	4.30493	4.64918