condition	mean	min	max
4 h after light	3.7357183333333333	3.6581269999999995	3.876464
8 h after light	3.1399723333333336	3.127836	3.15675
12 h after light	1.7832743333333332	1.573659	1.9374069999999999
16 h after light	3.612338	3.056223	4.231304
4 h after dark	3.0880906666666665	2.756338	3.519427
8 h after dark	1.882815	1.6597849999999998	2.016346