condition	mean	min	max
4 h after light	2.062575	1.7651	2.36005
8 h after light	2.05117	1.96154	2.1408
12 h after light	2.494505	2.32845	2.66056
4 h after dark	3.23642	2.65569	3.66235
8 h after dark	2.0229566666666665	1.72687	2.33938
12 h after dark	1.7924533333333332	1.57503	2.02587