condition	mean	min	max
4 h after light	16.46895	16.4188	16.5191
8 h after light	10.102635	8.49347	11.7118
12 h after light	8.24214	7.88242	8.60186
4 h after dark	8.86825	8.20257	9.24547
8 h after dark	10.942666666666666	10.3067	11.7803
12 h after dark	14.801633333333333	13.8969	16.5377