condition	mean	min	max
4 h after light	5.136116666666666	4.9021099999999995	5.5287
8 h after light	5.06606	4.80282	5.22472
12 h after light	5.11038	4.79629	5.5944400000000005
4 h after dark	5.06843	4.98936	5.21741
8 h after dark	5.00056	4.77124	5.1732
12 h after dark	4.958833333333334	4.84	5.07784