condition	mean	min	max
4 h after light	5.09801	4.99261	5.18658
8 h after light	5.069263333333334	4.91248	5.315
12 h after light	5.099606666666667	4.89808	5.25445
4 h after dark	5.212156666666667	5.1151599999999995	5.352530000000001
8 h after dark	5.157290000000001	4.766430000000001	5.47248
12 h after dark	5.207003333333334	5.02602	5.48784