condition	mean	min	max
0 h after light	2.20298	2.09479	2.31117
4 h after light	1.34557	1.00925	1.68189
8 h after light	1.461585	1.34436	1.57881
4 h after dark	2.111255	1.79051	2.432
8 h after dark	1.469905	1.35489	1.58492
12 h after dark	1.710705	1.59367	1.82774