condition	mean	min	max
4 h after light	4.448026666666666	4.35555	4.62969
8 h after light	4.325763333333334	4.14795	4.4355400000000005
12 h after light	4.406506666666667	4.16103	4.60858
4 h after dark	4.4924800000000005	4.28685	4.69276
8 h after dark	4.4373000000000005	4.223730000000001	4.68497
12 h after dark	4.34143	4.23476	4.432930000000001