condition	mean	min	max
0 h after light	17.27465	16.306	18.2433
4 h after light	14.3274	13.4683	15.1865
8 h after light	28.41465	26.2434	30.5859
4 h after dark	41.174	40.4478	41.9002
8 h after dark	31.147399999999998	30.6637	31.6311
12 h after dark	18.4211	15.8187	21.0235