condition	mean	min	max
4 h after light	17.455750000000002	16.8086	18.1029
8 h after light	11.042549999999999	10.8363	11.2488
12 h after light	7.98679	7.26033	8.71325
4 h after dark	9.104383333333333	8.02523	9.99634
8 h after dark	11.910566666666666	10.522	13.7054
12 h after dark	13.541233333333334	13.242	13.8496