Here are the last 10 datapoints:

yzcw621: sensor #1 used: 385.385945 Watts at 2012-05-18 14:09:57.111772-04:00

yzcw621: sensor #1 used: 435.916551 Watts at 2012-05-18 14:05:40.735247-04:00

yzcw621: sensor #1 used: 394.974185 Watts at 2012-05-18 13:45:15.312048-04:00

yzcw621: sensor #1 used: 395.919550 Watts at 2012-05-18 13:39:59.430284-04:00

yzcw621: sensor #1 used: 371.403790 Watts at 2012-05-18 13:34:56.217246-04:00

yzcw621: sensor #1 used: 382.813492 Watts at 2012-05-18 13:29:57.824064-04:00

yzcw621: sensor #1 used: 357.319420 Watts at 2012-05-18 13:25:00.363999-04:00

yzcw621: sensor #1 used: 375.529407 Watts at 2012-05-18 11:30:48.499097-04:00

yzcw621: sensor #1 used: 338.034613 Watts at 2012-05-18 11:15:22.328314-04:00

yzcw621: sensor #1 used: 368.655151 Watts at 2012-05-18 10:59:56.319247-04:00