condition	mean	min	max
0 h after light	30.73805	30.1644	31.3117
4 h after light	15.46955	15.0659	15.8732
8 h after light	12.44405	12.3226	12.5655
4 h after dark	16.6059	13.3509	19.8609
8 h after dark	19.72415	19.5125	19.9358
12 h after dark	27.244349999999997	22.7793	31.7094