condition	mean	min	max
4 h after light	8.598283333333333	8.53277	8.66184
8 h after light	10.22853	10.091569999999999	10.32687
12 h after light	9.83394	9.70808	9.90263
4 h after dark	9.702589999999999	9.573189999999999	9.810039999999999
8 h after dark	9.461333333333334	9.39374	9.5418
12 h after dark	8.899903333333334	8.81074	8.977960000000001