condition	mean	min	max
4 h after light	17.19085	15.8222	18.5595
8 h after light	10.8513	10.6494	11.0532
12 h after light	9.928495	9.10899	10.748
4 h after dark	14.4818	13.1915	15.2695
8 h after dark	17.465333333333334	16.0824	19.5853
12 h after dark	21.29296666666667	18.4779	25.7092