Moving daily Total Data / hour

all values are listed as: MB

         time  |     total
---------------+----------
2010-01-25 23  |  1785.307
2010-01-26 00  |  1780.252
2010-01-26 01  |  1804.224
2010-01-26 02  |  1823.371
2010-01-26 03  |  1828.641
2010-01-26 04  |  1847.226
2010-01-26 05  |  1842.837
2010-01-26 06  |  1836.613
2010-01-26 07  |  1903.728
2010-01-26 08  |  1903.098
2010-01-26 09  |  1899.128
2010-01-26 10  |  1876.686
2010-01-26 11  |  1881.379
2010-01-26 12  |  1877.089
2010-01-26 13  |  1890.439
2010-01-26 14  |  1861.543
2010-01-26 15  |  1825.329
2010-01-26 16  |  1773.559
2010-01-26 17  |  1752.345
2010-01-26 18  |  1792.360
2010-01-26 19  |  1793.677
2010-01-26 20  |  1772.979
2010-01-26 21  |  1786.205
2010-01-26 22  |  1837.148
2010-01-26 23  |  1782.747