condition	mean	min	max
4 h after light	5.214180000000001	5.068630000000001	5.33863
8 h after light	5.27907	5.0814900000000005	5.44848
12 h after light	5.40798	5.27018	5.66474
4 h after dark	5.19337	5.153569999999999	5.25799
8 h after dark	5.218823333333334	5.178640000000001	5.24558
12 h after dark	5.149703333333333	5.12325	5.18304