condition	mean	min	max
0 h after light	2.17564	1.98723	2.36405
4 h after light	2.487025	2.34123	2.63282
8 h after light	2.732635	2.0861	3.37917
4 h after dark	2.3514150000000003	1.65327	3.04956
8 h after dark	3.04014	3.02219	3.05809
12 h after dark	2.69298	2.17062	3.21534