condition	mean	min	max
0 h after light	2.495725	2.38681	2.60464
4 h after light	1.75089	1.45753	2.04425
8 h after light	1.714595	1.70632	1.72287
4 h after dark	2.7717799999999997	2.35067	3.19289
8 h after dark	2.765545	2.3072	3.22389
12 h after dark	2.41693	2.33817	2.49569