condition	mean	min	max
0 h after light	26.3273	25.8778	26.7768
4 h after light	19.95995	19.8191	20.1008
8 h after light	6.35234	5.64258	7.0621
4 h after dark	5.152405	4.80717	5.49764
8 h after dark	16.03985	15.5937	16.486
12 h after dark	22.7194	20.9559	24.4829