TABLE 6.

Summary of Mann-Kendall Test for Trend in Selected Hydrologic Metrics in Two Rapidly Urbanizing and One Relatively Undeveloped Basin.

	Kelsey1		Juanita2		Issaquah3
	tau	p	tau	p	tau	p
Low Pulse Count	0.479	<0.0001	0.400	0.004	−0.083	0.43
Low Pulse Duration	−0.460	<0.0001	−0.348	0.01	0.156	0.14
High Pulse Count	0.265	0.006	0.332	0.02	−0.090	0.39
High Pulse Duration	−0.344	0.0003	−0.219	0.12	−0.202	0.055
High Pulse Range	0.460	<0.0001	0.397	0.005	−0.032	0.77
Flow Reversals	0.266	0.005	0.234	0.10	−0.170	0.10
TQmean	−0.488	<0.0001	−0.326	0.02	−0.093	0.38
R-B Index	0.731	<0.0001	0.665	<0.0001	0.208	0.046

Notes: Metrics calculated from long-term gauging records in Kelsey, Juanita, and Issaquah creeks. Values given in boldface indicate significance (p<0.05).

¹Kelsey Creek USGS 12120000 (1956-2007).

²Juanita Creek USGS 12120500 (1964-1989).

³Issaquah Creek USGS 12121600 (1964-2007).