condition	mean	min	max
4 h after light	3.210635	2.86313	3.55814
8 h after light	3.21054	3.07767	3.34341
12 h after light	3.364655	3.18562	3.54369
4 h after dark	4.44689	4.24674	4.76551
8 h after dark	3.4535	3.33394	3.56071
12 h after dark	3.28185	2.9225	3.88271