condition	mean	min	max
4 h after light	7.542256666666667	6.9325600000000005	7.877089999999999
8 h after light	7.785143333333333	7.366280000000001	8.234589999999999
12 h after light	9.037353333333334	8.59336	9.33367
4 h after dark	10.103079999999999	9.8921	10.25325
8 h after dark	10.29837	10.16043	10.418280000000001
12 h after dark	10.427976666666666	10.42329	10.43041