condition	mean	min	max
4 h after light	4.227226666666667	4.17395	4.32314
8 h after light	4.131506666666667	4.09831	4.19595
12 h after light	4.13761	3.9489	4.36511
4 h after dark	4.06914	4.01396	4.1300099999999995
8 h after dark	3.9997499999999997	3.89879	4.11344
12 h after dark	4.09057	4.0461800000000006	4.128419999999999