condition	mean	min	max
4 h after light	3.23233	3.17223	3.29243
8 h after light	3.6996149999999997	3.41727	3.98196
12 h after light	4.282555	3.91435	4.65076
4 h after dark	3.9994250000000005	3.83069	4.16816
8 h after dark	3.726325	3.63986	3.81279
12 h after dark	3.622165	3.31874	3.92559