condition	mean	min	max
4 h after light	8.081083	7.986819	8.175347
8 h after light	8.5630895	8.226764	8.899415
12 h after light	8.452498	8.250177	8.654819
4 h after dark	7.796768500000001	7.458388	8.135149
8 h after dark	8.285644	8.18737	8.383918
12 h after dark	8.175347	8.175347	8.175347