condition	mean	min	max
0 h after light	21.8557	21.4628	22.2486
4 h after light	19.1814	18.0518	20.311
8 h after light	14.91	13.0439	16.7761
4 h after dark	23.9134	19.9061	27.9207
8 h after dark	18.95595	17.0427	20.8692
12 h after dark	22.401600000000002	20.5272	24.276