Best offsets for squares over Pittsburgh WFO

Num Points per Side	Num Valid * Avg Percent valid	Number of Valid Squares	Avg Percent Valid Points	Left offset	Top offset	Threshold
2	755	755	1	1	0	0.75
3	335.4	342	0.9808	2	2	0.75
4	183.2	187	0.9799	0	3	0.75
5	116.8	120	0.9737	2	2	0.75
6	78.14	81	0.9647	5	0	0.75
7	56.76	59	0.962	5	4	0.75
8	43.02	45	0.9559	6	7	0.75
9	34.1	36	0.9472	3	7	0.75
10	27.29	29	0.941	3	9	0.75
11	21.93	24	0.9136	8	3	0.75
12	18.49	20	0.9247	4	5	0.75
13	14.71	15	0.9807	0	9	0.75
14	13.77	15	0.9177	2	7	0.75
15	12.41	14	0.8863	4	1	0.75
16	9.875	11	0.8977	11	10	0.75
17	8.401	9	0.9335	4	3	0.75
18	7.975	9	0.8861	13	0	0.75
19	7.208	8	0.901	8	13	0.75
20	6.375	7	0.9107	3	9	0.75
21	5.372	6	0.8953	18	4	0.75
22	5.056	6	0.8426	2	2	0.75
23	4.537	5	0.9074	0	19	0.75
24	4.351	5	0.8701	16	17	0.75
25	4.144	5	0.8288	10	14	0.75
26	3.905	5	0.7811	4	14	0.75
27	2.741	3	0.9136	9	8	0.75
28	2.653	3	0.8844	4	7	0.75
29	2.548	3	0.8494	27	7	0.75
30	2.438	3	0.8126	4	29	0.75
31	1.967	2	0.9834	18	24	0.75
32	1.951	2	0.9756	13	22	0.75
33	1.927	2	0.9637	8	21	0.75
34	1.894	2	0.9472	3	20	0.75
35	1.856	2	0.9282	34	18	0.75
36	1.816	2	0.9078	31	16	0.75