condition	mean	min	max
4 h after light	5.322713333333334	5.11041	5.5716
8 h after light	5.2411200000000004	5.1741	5.33331
12 h after light	5.139466666666666	4.98879	5.36081
4 h after dark	5.28479	5.150440000000001	5.4415
8 h after dark	5.22569	4.8124400000000005	5.61717
12 h after dark	5.239716666666666	4.97687	5.59448