Table 1.

Included time stations and years in the present analysis.

# of Included Time Stations	# of Includable Years	% Included Years
24	1	6.7
23	1	6.7
22	3	20.0
21	3	20.0
20	6	40.0
19	6	40.0
18	9	60.0
17	9	60.0
16	10	66.7
15	11	73.3
14	11	73.3
13	12	80.0
12	13	86.7
11	13	86.7
10	13	86.7
9	13	86.7
8	13	86.7
7	13	86.7
6	13	86.7
5	13	86.7
4	14	93.3
3	14	93.3
2	15	100.0