condition	mean	min	max
4 h after light	36.1328	34.6229	37.6427
8 h after light	29.32655	28.9599	29.6932
12 h after light	31.57155	28.0978	35.0453
4 h after dark	48.91865	47.5589	50.2784
8 h after dark	45.5722	44.1212	47.0232
12 h after dark	44.43285	42.6631	46.2026