. 2010 Feb 5;76(7):2181–2191. doi: 10.1128/AEM.02430-09

TABLE 1.

Temperature data for domestic refrigerators

Statistical parameter	Temp (°C) for indicated shelf location^a
Statistical parameter	Upper	Middle	Lower	Door
Mean	7.57^A	6.31^B	6.69^B	8.40^C
SD	2.95	2.66	3.29	3.00
Minimum	−1.77	−0.70	−2.69	1.18
Maximum	14.47	13.03	18.08	14.94
Median	7.60	6.29	6.40	8.32

Values with different superscript capital letters are significantly different from each other (P < 0.05).