condition	mean	min	max
4 h after light	17.51045	16.3083	18.7126
8 h after light	16.31665	15.6976	16.9357
12 h after light	16.35555	14.3997	18.3114
4 h after dark	32.645849999999996	26.4069	38.8848
8 h after dark	21.37905	20.2395	22.5186
12 h after dark	21.1717	20.4207	21.9227