datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,06 0:30:00,28 ,       0,119.9782, 9.57125, 23.4752
sgpcmbeC1.c1,1998,06 1:30:00,27 ,       0, 149.997,9.133882,29.07004
sgpcmbeC1.c1,1998,06 2:30:00,27 ,       0,46.55735,5.772717,9.796516
sgpcmbeC1.c1,1998,06 3:30:00,27 ,       0,56.64864, 6.60589,11.77508
sgpcmbeC1.c1,1998,06 4:30:00,27 ,       0,133.8027,16.00876,31.97153
sgpcmbeC1.c1,1998,06 5:30:00,28 ,       0,171.9842,20.47786,41.40298
sgpcmbeC1.c1,1998,06 6:30:00,28 ,       0,105.7619,15.52059,27.58489
sgpcmbeC1.c1,1998,06 7:30:00,28 ,       0,113.6479,15.86869,24.70588
sgpcmbeC1.c1,1998,06 8:30:00,28 ,       0,175.1194,18.98515,38.24874
sgpcmbeC1.c1,1998,06 9:30:00,27 ,       0,112.1356,16.00892,29.68437
sgpcmbeC1.c1,1998,0610:30:00,28 ,       0,148.9975,16.43818,35.16438
sgpcmbeC1.c1,1998,0611:30:00,28 ,       0,137.5779,17.75153,36.09702
sgpcmbeC1.c1,1998,0612:30:00,28 ,       0,158.1082,13.97371, 31.8674
sgpcmbeC1.c1,1998,0613:30:00,28 ,       0,64.95864, 8.86244,15.10579
sgpcmbeC1.c1,1998,0614:30:00,28 ,       0,52.37751,6.964064,12.56935
sgpcmbeC1.c1,1998,0615:30:00,28 ,       0, 43.2305, 6.53262,11.10769
sgpcmbeC1.c1,1998,0616:30:00,28 ,       0,49.20021,8.318933,12.08358
sgpcmbeC1.c1,1998,0617:30:00,26 ,       0,57.99851,6.285959,11.55072
sgpcmbeC1.c1,1998,0618:30:00,27 ,       0,96.04462,12.78914,24.23188
sgpcmbeC1.c1,1998,0619:30:00,27 ,       0,196.6764,16.22289,37.90148
sgpcmbeC1.c1,1998,0620:30:00,28 ,       0,180.1734,18.39931,36.90587
sgpcmbeC1.c1,1998,0621:30:00,28 ,       0, 77.0052,9.161113,15.98866
sgpcmbeC1.c1,1998,0622:30:00,28 ,       0,103.5435,9.734037,20.39961
sgpcmbeC1.c1,1998,0623:30:00,28 ,       0,155.9554,12.24212, 31.9243