condition	mean	min	max
0 h after light	13.558250000000001	13.3177	13.7988
4 h after light	8.654735	7.93617	9.3733
8 h after light	7.950950000000001	7.90805	7.99385
4 h after dark	10.85605	10.0698	11.6423
8 h after dark	11.5053	11.3803	11.6303
12 h after dark	13.0502	11.6759	14.4245