condition	mean	min	max
4 h after light	1.51084	1.42987	1.59181
8 h after light	1.33104	1.29975	1.36233
12 h after light	1.57187	1.55633	1.58741
4 h after dark	2.38345	2.20309	2.56381
8 h after dark	1.5507499999999999	1.37836	1.72314
12 h after dark	1.8262800000000001	1.62876	2.0238