condition	mean	min	max
4 h after light	17.4462	14.7615	20.1309
8 h after light	3.8826150000000004	2.86314	4.90209
12 h after light	4.11572	3.89951	4.33193
4 h after dark	8.40869	7.07564	10.0333
8 h after dark	15.521366666666667	11.427	18.2669
12 h after dark	9.16465	7.27776	11.3093