condition	mean	min	max
4 h after light	3.41219	2.85206	3.97232
8 h after light	3.041095	2.82481	3.25738
12 h after light	3.2953349999999997	2.82489	3.76578
4 h after dark	3.3456633333333334	3.09445	3.52396
8 h after dark	2.8813266666666664	2.80889	2.98954
12 h after dark	3.2745633333333335	3.17367	3.4563