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Chapter 1 Minimum Flows and Levels - Southwest Florida Water ...

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Table 2-4. Results of Kendall's tau test of mean annual (XAnnQ) <strong>and</strong> median annual (MedAnnQ) flows for selected <strong>Florida</strong> streamflow<br />

gage sites <strong>and</strong> selected time periods. P values < 0.1 are highlighted in bold; those associated with flow decreases are shaded yellow,<br />

those that indicate flow increases are shaded blue. Table is an excerpt from a table in Kelly (2004).<br />

Site Name 1940 to 1999 1940 to 1969 1970 to 1999<br />

XAnnQ MedAnnQ Slope p XAnnQ MedAnnQ Slope p XAnnQ MedAnnQ Slope p<br />

Alafia River at Lithia 336 309 -2.122 0.0653 388 375 3.796 0.3353 284 268 0.1081 1.0000<br />

Hillsborough River near Tampa 454 387 -6.3982 0.0003 632 516 3.149 0.6947 276 264 0.1813 0.9147<br />

Hillsborough River at Zephyrhills 248 209 -1.223 0.0419 292 247 1.189 0.6427 202 187 1.703 0.4754<br />

Little Manatee River near Wimauma 171 159 -0.331 0.6324 184 178 0.3341 0.9431 158 139 2.318 0.0867<br />

Myakka River near Sarasota 251 227 0.4538 0.5966 261 215 1.721 0.5680 241 228 4.405 0.1435<br />

Peace River at Arcadia 1073 1006 -8.825 0.0268 1289 1113 -1.947 0.8028 856 738 3.759 0.5680<br />

Peace River at Bartow 228 183 -2.425 0.0075 295 241 -1.367 0.6427 161 145 3.335 0.2251<br />

Peace River at Zolfo Springs 614 547 -6.376 0.0031 751 636 -3.084 0.4754 477 422 1.231 0.8305<br />

Withlacoochee River at Croom 428 372 -0.5033 0.0228 531 431 1 0.7752 325 330 -0.3577 0.9147<br />

Withlacoochee River near Holder 1008 885 -8.9686 0.0055 1206 1028 1.153 0.9147 810 742 -9.271 0.3008<br />

Withlacoochee River at Trilby 322 270 -2.5065 0.0672 401 340 2.069 0.4537 244 244 1.301 0.8027<br />

XAnnQ = Mean Annual Flow (cfs)<br />

MedAnnQ = Median Annual Flow (cfs)<br />

2-20

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