condition	mean	min	max
4 h after light	5.857670000000001	5.34178	6.37356
8 h after light	7.3281600000000005	7.06896	7.58736
12 h after light	8.948705	8.2843	9.61311
4 h after dark	11.8618	10.4511	13.2725
8 h after dark	10.14517	9.89634	10.394
12 h after dark	9.487025	9.33675	9.6373