condition	mean	min	max
4 h after light	13.9287	13.1318	14.7256
8 h after light	14.661200000000001	12.5347	16.7877
12 h after light	16.5299	15.1687	17.8911
4 h after dark	19.555500000000002	18.1533	20.9577
8 h after dark	15.1206	15.0266	15.2146
12 h after dark	18.49655	17.9751	19.018