condition	mean	min	max
4 h after light	4.18094	4.165769999999999	4.2043099999999995
8 h after light	4.23047	4.12905	4.41059
12 h after light	4.25021	4.03761	4.58817
4 h after dark	4.227553333333334	4.175330000000001	4.27519
8 h after dark	4.108103333333333	4.03094	4.2468900000000005
12 h after dark	4.301843333333333	4.1718	4.53356