Table 5. Coherences and phase differences (time lag) for the predominant fluctuation period of 13.8 days determined by cross spectrum of 30 days high-pass filtered catches and water temperatures

St.	Total catch							Spanish mackerel catch
	Coherence				Time lag (day)			Coherence				Time lag (day)
	2016	2017	2018	Ave.	2016	2017	2018	2016	2017	2018	Ave.	2016	2017	2018
1	0.2	0.1	0.1	0.13	4.2	2.8	−1.5	0.1	0.1	0.1	0.10	5.1	-4.5	-0.5
2	0.2	0.1	0.1	0.13	4.0	3.4	−1.6	0.1	0.0	0.0	0.03	4.8	0.0	0.0
3	0.1	0.1	0.1	0.10	4.5	3.3	−2.0	0.0	0.1	0.1	0.07	0.0	−2.3	−1.2
4	-	0.1	0.1	0.10	-	3.2	0.1	-	0.0	0.1	0.05	-	0.0	2.1
5	0.1	0.4	0.1	0.20	4.5	0.6	0.5	0.1	0.2	0.1	0.13	2.0	-0.6	2.5
6	0.1	0.1	0.2	0.13	2.2	0.5	5.5	0.1	0.0	0.2	0.10	3.2	0.0	5.5
7	0.4	0.1	-	0.25	4.0	3.0	-	0.3	0.0	-	0.15	4.2	0.0	-
8	0.3	0.3	0.4	0.33	−1.0	−3.0	−0.6	0.4	0.3	0.3	0.33	−0.5	−3.5	−0.7