condition	mean	min	max
4 h after light	4.558346666666667	4.52718	4.59996
8 h after light	4.56398	4.52738	4.6281099999999995
12 h after light	4.477483333333333	4.355169999999999	4.62956
4 h after dark	4.51979	4.41478	4.5822400000000005
8 h after dark	4.653576666666667	4.6123400000000006	4.67992
12 h after dark	4.60521	4.53126	4.73827