condition	mean	min	max
4 h after light	2.5037599999999998	2.32566	2.68186
8 h after light	4.296865	3.81942	4.77431
12 h after light	4.40695	3.46502	5.34888
4 h after dark	9.022495	7.38989	10.6551
8 h after dark	5.885495000000001	5.8844	5.88659
12 h after dark	3.658475	3.43299	3.88396