datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,04 0:30:00,25 ,       0,40.11042,5.319085, 8.57974
sgpcmbeC1.c1,2001,04 1:30:00,25 ,       0,89.37532,7.757095,18.10335
sgpcmbeC1.c1,2001,04 2:30:00,23 ,       0,21.60467,4.767818,5.917559
sgpcmbeC1.c1,2001,04 3:30:00,23 ,       0,36.53732,5.971484,8.974798
sgpcmbeC1.c1,2001,04 4:30:00,23 ,       0,33.97881,7.108758, 9.70536
sgpcmbeC1.c1,2001,04 5:30:00,23 ,       0,53.65791,8.105247,12.94195
sgpcmbeC1.c1,2001,04 6:30:00,23 ,       0,90.80006,12.95534,21.30318
sgpcmbeC1.c1,2001,04 7:30:00,23 ,       0,329.9847,31.30773,70.63439
sgpcmbeC1.c1,2001,04 8:30:00,27 ,       0,374.8952,49.18919,97.35348
sgpcmbeC1.c1,2001,04 9:30:00,28 ,       0,726.4287,72.00208,153.4338
sgpcmbeC1.c1,2001,0410:30:00,28 ,       0,454.3215,52.06495,104.9834
sgpcmbeC1.c1,2001,0411:30:00,28 ,       0,351.8906,54.60738,99.13998
sgpcmbeC1.c1,2001,0412:30:00,28 ,       0,396.0731,48.06677,91.65439
sgpcmbeC1.c1,2001,0413:30:00,28 ,       0,118.2186,21.26391,32.57991
sgpcmbeC1.c1,2001,0414:30:00,28 ,       0,131.3005, 18.2998,37.08463
sgpcmbeC1.c1,2001,0415:30:00,27 ,       0, 33.7822,6.573947,10.17313
sgpcmbeC1.c1,2001,0416:30:00,27 ,       0, 55.6911,7.807925,12.89165
sgpcmbeC1.c1,2001,0417:30:00,27 ,       0,50.41396,8.979975,14.29602
sgpcmbeC1.c1,2001,0418:30:00,27 ,       0,85.26033,9.740877,18.21125
sgpcmbeC1.c1,2001,0419:30:00,27 ,0.017812,134.3718,17.70473,34.85872
sgpcmbeC1.c1,2001,0420:30:00,27 ,       0,124.2269,19.56219,35.08729
sgpcmbeC1.c1,2001,0421:30:00,27 ,       0,205.9639,19.83471,43.04275
sgpcmbeC1.c1,2001,0422:30:00,27 ,       0,41.50388,8.251419,11.88369
sgpcmbeC1.c1,2001,0423:30:00,27 ,       0,90.62196,9.432287,19.85774