Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Kansas City Comets (1979–91)
Table title:
Kansas City Comets
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Division </th><th colspan=1 rowspan=1 > League </th><th colspan=1 rowspan=1 > Reg. Season </th><th colspan=1 rowspan=1 > Playoffs </th><th colspan=1 rowspan=1 > Avg. Attendance </th></tr>
<tr> <td colspan=1 rowspan=1 > 1981/82 </td><td colspan=1 rowspan=1 > Western </td><td colspan=1 rowspan=1 > MISL </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > Did not qualify </td><td colspan=1 rowspan=1 > 11,058 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1982/83 </td><td colspan=1 rowspan=1 > Western </td><td colspan=1 rowspan=1 > MISL </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 1st Round </td><td colspan=1 rowspan=1 > 14,692 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1983/84 </td><td colspan=1 rowspan=1 > Western </td><td colspan=1 rowspan=1 > MISL </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 1st Round </td><td class="highlighted"  colspan=1 rowspan=1 > 15,786 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1984/85 </td><td colspan=1 rowspan=1 > Western </td><td colspan=1 rowspan=1 > MISL </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > Quarterfinals </td><td colspan=1 rowspan=1 > 12,917 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1985/86 </td><td colspan=1 rowspan=1 > Western </td><td colspan=1 rowspan=1 > MISL </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > Did not qualify </td><td colspan=1 rowspan=1 > 12,428 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1986/87 </td><td colspan=1 rowspan=1 > Western </td><td colspan=1 rowspan=1 > MISL </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > Division Semifinals </td><td colspan=1 rowspan=1 > 12,447 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1987/88 </td><td colspan=1 rowspan=1 > Western </td><td colspan=1 rowspan=1 > MISL </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Division Finals </td><td colspan=1 rowspan=1 > 11,211 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1988/89 </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > MISL </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > Did not qualify </td><td colspan=1 rowspan=1 > 9,228 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1989/90 </td><td colspan=1 rowspan=1 > Eastern </td><td colspan=1 rowspan=1 > MISL </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > Division Finals </td><td colspan=1 rowspan=1 > 10,475 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1990/91 </td><td colspan=1 rowspan=1 > Eastern </td><td colspan=1 rowspan=1 > MSL </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > Division Finals </td><td class="highlighted"  colspan=1 rowspan=1 > 7,103 </td></tr>
</table>
Question:
How much did the average attendance numbers for the Kansas City Comets vary?
Answer:
The Kansas City Comets had a average high attendance of 15,786 in the 1983–1984 season and a low attendance of 7,103 in the 1990–1991 season.