condition	mean	min	max
0 h after light	9.167955	8.97656	9.35935
4 h after light	3.11899	2.74522	3.49276
8 h after light	1.77177	1.3788	2.16474
4 h after dark	8.952575	6.02075	11.8844
8 h after dark	16.83665	14.0735	19.5998
12 h after dark	9.193055000000001	8.61463	9.77148