condition	mean	min	max
0 h after light	18.7582	17.5358	19.9806
4 h after light	23.05125	19.7109	26.3916
8 h after light	21.401049999999998	17.6674	25.1347
4 h after dark	26.07995	21.9209	30.239
8 h after dark	20.490099999999998	20.1285	20.8517
12 h after dark	20.17575	19.7193	20.6322