condition	mean	min	max
4 h after light	11.64655	11.1329	12.1602
8 h after light	13.30295	13.0816	13.5243
12 h after light	15.25755	14.8636	15.6515
4 h after dark	21.444850000000002	21.155	21.7347
8 h after dark	21.82475	21.3337	22.3158
12 h after dark	20.97285	20.7549	21.1908