condition	mean	min	max
4 h after light	3.053845	2.71306	3.39463
8 h after light	2.42096	2.40302	2.4389
12 h after light	3.31575	3.20998	3.42152
4 h after dark	5.05863	4.69629	5.42097
8 h after dark	4.560365	4.32023	4.8005
12 h after dark	4.41056	4.30093	4.52019