condition	mean	min	max
4 h after light	1.973215	1.95528	1.99115
8 h after light	1.826425	1.74595	1.9069
12 h after light	2.452105	2.10645	2.79776
4 h after dark	2.98765	2.8561	3.10082
8 h after dark	2.7285933333333334	2.17751	3.29501
12 h after dark	2.4531533333333333	1.90793	2.81957