condition	mean	min	max
4 h after light	4.37133	4.31766	4.47133
8 h after light	4.36312	4.25166	4.42969
12 h after light	4.35162	4.27656	4.47927
4 h after dark	4.453906666666667	4.35538	4.61151
8 h after dark	4.31857	4.14348	4.41121
12 h after dark	4.2957399999999994	4.2355599999999995	4.39394