Table B1.

Statistics from per-lake tuning of OC2 algorithm.

	Prior to tuning					After tuning
	MAD	RMSD	Bias	R	MAPD	MAD	RMSD	Bias	R	n
Victoria	3.04	3.46	−2.94	0.33	59.68	1.25	1.63	−0.08	0.54	1,353,879
Michigan	0.67	1.08	0.15	0.59	128.48	0.4	0.91	−0.18	0.72	503,988
Erie	0.78	1.14	−0.1	0.89	72.26	0.44	0.91	−0.08	0.83	594,125
Titicaca	0.53	1.41	0.2	0.07	78	0.37	0.57	−0.06	0.57	91,122
Turkana	5.59	5.7	−5.43	−0.44	75.68	0.83	1.05	0.02	0.5	31,694
Vattern	0.59	1.08	−0.36	0.19	36.37	0.52	0.87	−0.18	0.45	92,743
Malaren	6.3	9.2	5.47	−0.06	646.61	1.84	2.85	−1.4	0.07	2713
Kinbasket	0.37	0.58	−0.03	0.43	30.11	0.36	0.56	0.01	0.49	5229
Couture	0.26	0.31	0.22	0.4	53.66	0.16	0.21	−0.01	0.51	167
Trout	2.56	3.64	−2.31	0.25	69.18	2.03	2.98	0.1	0.39	2738
Dorsoidong	2.24	3.2	−1.66	0.59	107.62	1.39	2.53	−0.02	0.6	32
Garda	0.35	0.42	0.16	0.63	36.12	0.27	0.39	−0.1	0.6	13,027
Dezadeash	2.33	3.28	1.06	0.04	161.9	1.46	2.44	−1.21	0.08	42
Assean	5.64	6.58	5.27	−0.1	634.81	1.66	2.72	−1.11	0.06	180
Sasyk	1.54	3.26	0.25	−0.02	156.26	1.08	3.77	0.49	0.1	190
Margaret	2.55	3.79	−2.14	0.04	93.5	2.27	3.29	−1.1	0.23	371
Leven	6.76	8.16	6.17	−0.13	578.15	0.63	1.27	−0.39	0.66	27
Lumina	2.86	3.58	−0.3	0.29	158.37	2.57	3.09	−0.22	0.3	80
Isac	3.39	3.8	0.87	0.18	162.67	2.36	3.46	−1.62	0.27	72
Pyhajarvi	4.55	5.64	3.88	0.04	357.39	2.32	2.88	−0.11	0.04	455