condition	mean	min	max
0 h after light	21.6933	20.5125	22.8741
4 h after light	18.0097	17.1043	18.9151
8 h after light	21.13765	18.6153	23.66
4 h after dark	22.41585	20.9171	23.9146
8 h after dark	22.17655	19.803	24.5501
12 h after dark	19.787300000000002	18.0208	21.5538