Table A.

Moment estimator and the 95% asymptotic confidence interval for extreme value index c with different k’s, where k is the number of upper order statistics used in the moment estimator

k	Moment Estimation	95% Confidence Interval		Moment Estimation	95% Confidence Interval		Moment Estimation	95% Confidence Interval
		Lower	Upper		Lower	Upper		Lower	Upper
	GWA1_100K			GWA2_100K			GWA3_300K
50	−0.0592	−0.3266	0.2082	−0.035	−0.3050	0.2349	0.0789	−0.1991	0.3570
100	−0.0570	−0.2462	0.1322	−0.2421	−0.4453	−0.0390	−0.0275	−0.2192	0.1642
200	−0.0503	−0.1843	0.0838	−0.2524	−0.3972	−0.1075	−0.0150	−0.1517	0.1218
300	−0.0420	−0.1519	0.0678	−0.2184	−0.3335	−0.1033	−0.0825	−0.1913	0.0263
400	0.0186	−0.0794	0.1166	−0.1098	−0.2042	−0.0154	0.0072	−0.0908	0.1052
500	0.0542	−0.0335	0.1420	−0.096	−0.1803	−0.0117	0.0001	−0.0875	0.0878
1000	−0.0044	−0.0662	0.0573	−0.0296	−0.0902	0.0309	0.0129	−0.0491	0.0749
2000	0.0066	−0.0372	0.0504	−0.0199	−0.0629	0.0232	0.0528	0.0089	0.0967
3000	−0.0194	−0.0546	0.0158	−0.0021	−0.0378	0.0336	0.0113	−0.0245	0.0471
4000	−0.0391	−0.0692	−0.0090	0.0341	0.0031	0.0651	0.0396	0.0086	0.0706
5000	−0.0131	−0.0405	0.0143	−0.0021	−0.0297	0.0256	0.0347	0.007	0.0624
10000	−0.0345	−0.0536	−0.0155	0.0283	0.0087	0.0479	0.0472	0.0276	0.0668
	GWA4_300K			GWA5_300K			GWA6_1.8m
50	−0.0833	0.1949	0.3614	−0.0858	0.1924	0.3640	0.0349	−0.2424	0.3123
100	0.013	−0.1830	0.2091	−0.0255	−0.2174	0.1665	−0.0255	−0.2175	0.1664
200	−0.0827	−0.2159	0.0506	−0.0939	−0.2271	0.0394	−0.1262	−0.2602	0.0079
300	−0.0561	−0.1654	0.0531	−0.0531	−0.1625	0.0562	−0.0848	−0.1935	0.0240
400	−0.0568	−0.1514	0.0378	−0.0383	−0.1336	0.057	−0.0559	−0.1505	0.0387
500	−0.0962	−0.1805	−0.0119	−0.0179	−0.1042	0.0684	−0.0656	−0.1500	0.0188
1000	−0.0352	−0.0956	0.0252	−0.0218	−0.0827	0.0390	−0.0107	−0.0721	0.0507
2000	−0.002	−0.0457	0.0418	−0.0061	−0.0497	0.0375	−0.0217	−0.0647	0.0214
3000	0.0107	−0.0251	0.0465	−0.0227	−0.0578	0.0124	0.0067	−0.0291	0.0425
4000	0.0237	−0.0073	0.0547	0.0037	−0.0273	0.0347	0.0039	−0.0271	0.0349
5000	0.0208	−0.0069	0.0485	0.0208	−0.0069	0.0485	−0.0008	−0.0285	0.0269
10000	0.0126	−0.0070	0.0322	0.0018	−0.0178	0.0214	0.0014	−0.0182	0.0210