feature request: a more dplyr-friendly data output

[jordansread]

Long table instead of (mostly) a wide table:

current output

head(prism.data)
    DateTime Acadia Amistad Olympic Rocky Sequoia Voyageurs variable statistic units
1 1980-01-01  1.525 17.9300   -0.52 -4.73  1.6825    -10.29      tmx      MEAN  degC
2 1980-02-01 -0.265 19.4800    2.72 -1.45  2.8375     -7.46      tmx      MEAN  degC
3 1980-03-01  4.165 24.2975    3.01 -0.79  1.1975     -1.30      tmx      MEAN  degC
4 1980-04-01 12.020 28.9525    8.08  3.87  6.9025     13.72      tmx      MEAN  degC
5 1980-05-01 19.650 31.4950    9.27  8.18  6.7450     22.60      tmx      MEAN  degC
6 1980-06-01 21.605 37.0050   10.43 18.13 12.7325     23.24      tmx      MEAN  degC

desired

head(prism.data)
    DateTime feature    value variable statistic units
1 1980-01-01  Acadia    1.525      tmx      MEAN  degC
2 1980-02-01  Acadia   -0.265      tmx      MEAN  degC
3 1980-03-01  Acadia    4.165      tmx      MEAN  degC
4 1980-04-01  Acadia   12.020      tmx      MEAN  degC
5 1980-05-01  Acadia   19.650      tmx      MEAN  degC
6 1980-06-01  Acadia   21.605      tmx      MEAN  degC

[jordansread]

could be a param on result()