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	Team	Rating	Sigma	Upper_Bound	Lower_Bound
1	Carolina	3016.330837	319.994415	3656.319666	2376.342007
2	Denver	2631.801510	241.175181	3114.151871	2149.451148
3	NewEngland	2481.697776	261.409967	3004.517711	1958.877841
4	Cincinnati	2411.186676	260.705817	2932.598311	1889.775042
5	Arizona	2410.544941	252.518014	2915.580968	1905.508913
6	KansasCity	2279.353494	232.269233	2743.891961	1814.815028
7	Minnesota	2269.241657	236.625743	2742.493142	1795.990172
8	GreenBay	2250.575641	231.893107	2714.361854	1786.789428
9	Seattle	2229.755639	233.763589	2697.282818	1762.228461
10	Indianapolis	2220.060991	228.473639	2677.008270	1763.113713
11	Pittsburgh	2165.244980	216.715916	2598.676813	1731.813148
12	Houston	2059.624594	225.263230	2510.151055	1609.098134
13	Buffalo	2044.955304	228.197697	2501.350697	1588.559910
14	TampaBay	1961.335782	222.857494	2407.050769	1515.620794
15	NewYorkJ	1959.915997	227.744332	2415.404662	1504.427332
16	Washington	1944.393653	231.823311	2408.040275	1480.747030
17	Philadelphia	1903.283100	215.415729	2334.114559	1472.451642
18	Detroit	1885.760829	231.319632	2348.400092	1423.121566
19	Chicago	1882.762134	216.356218	2315.474571	1450.049698
20	NewYorkG	1875.964911	226.386147	2328.737204	1423.192617
21	Oakland	1842.596641	224.404950	2291.406540	1393.786741
22	StLouis	1841.483775	214.813440	2271.110656	1411.856895
23	NewOrleans	1822.423677	222.135474	2266.694625	1378.152729
24	SanFrancisco	1795.427484	232.724759	2260.877002	1329.977967
25	Atlanta	1723.587478	233.617098	2190.821674	1256.353281
26	Dallas	1723.273866	239.254586	2201.783037	1244.764695
27	Miami	1718.148882	218.239198	2154.627279	1281.670485
28	Baltimore	1672.644043	216.383117	2105.410276	1239.877810
29	Cleveland	1608.269906	240.619179	2089.508265	1127.031547
30	SanDiego	1563.015941	232.744500	2028.504941	1097.526941
31	Jacksonville	1546.449645	214.929381	1976.308407	1116.590883
32	Tennessee	1528.427063	231.461011	1991.349084	1065.505041

Sigma is an expression of confidence in a team's rating. You can treat it as a measure of uncertainty in the rating value, so a lower value means we're more certain about a rating than a higher value.
Upper and lower bounds are a 95% confidence interval for the team's rating, meaning that their true skill rating lies somewhere between those two values (that's not an entirely accurate explanation of a confidence interval, but for our purposes it'll do).