condition	mean	min	max
4 h after light	1.995555	1.474	2.51711
8 h after light	1.5969799999999998	1.52236	1.6716
12 h after light	2.28815	2.00394	2.57236
4 h after dark	4.115985	4.06848	4.16349
8 h after dark	3.38135	3.00459	3.75811
12 h after dark	2.6445	2.32415	2.96485