condition	mean	min	max
4 h after light	7.7044005	7.435721	7.97308
8 h after light	8.028235	7.881123	8.175347
12 h after light	8.4796835	7.820455	9.138912
4 h after dark	7.749213	7.665079	7.833347
8 h after dark	8.5233935	7.881123	9.165664
12 h after dark	7.833307	7.833307	7.833307