condition	mean	min	max
4 h after light	9.75939	9.479569999999999	9.96336
8 h after light	9.768713333333332	9.47682	9.96045
12 h after light	9.92231	9.72177	10.03257
4 h after dark	9.768849999999999	9.47993	9.968919999999999
8 h after dark	9.780413333333334	9.46017	10.00394
12 h after dark	9.526416666666666	9.14119	9.73114