condition	mean	min	max
4 h after light	5.73202	5.55525	5.87387
8 h after light	5.54668	5.4339	5.6458699999999995
12 h after light	5.866243333333333	5.68853	6.16516
4 h after dark	6.16078	6.03835	6.28235
8 h after dark	6.249556666666667	5.98219	6.48916
12 h after dark	6.288133333333334	5.99972	6.67541