datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,01 0:30:00,29 ,       0,0.191945,0.019181,0.040899
sgpcmbeC1.c1,1998,01 1:30:00,29 ,       0,0.119575,0.014076,0.026702
sgpcmbeC1.c1,1998,01 2:30:00,29 ,       0,0.150805,0.016384,0.033861
sgpcmbeC1.c1,1998,01 3:30:00,29 ,       0,0.082904,0.011973,0.021973
sgpcmbeC1.c1,1998,01 4:30:00,29 ,       0,0.268726,0.027421, 0.05784
sgpcmbeC1.c1,1998,01 5:30:00,29 ,       0,0.097798,0.011324,0.026397
sgpcmbeC1.c1,1998,01 6:30:00,29 ,       0,0.000778,0.000027,0.000145
sgpcmbeC1.c1,1998,01 7:30:00,29 ,       0,5.211619,1.320528,1.547296
sgpcmbeC1.c1,1998,01 8:30:00,29 ,0.459807,18.56806,6.492294,5.030638
sgpcmbeC1.c1,1998,01 9:30:00,29 ,0.424005,17.06166,7.159588,5.152398
sgpcmbeC1.c1,1998,0110:30:00,29 , 0.84244,27.50823,7.647487,5.923976
sgpcmbeC1.c1,1998,0111:30:00,29 ,1.264266,38.88041, 7.73738,8.083802
sgpcmbeC1.c1,1998,0112:30:00,29 ,0.896377,29.87103,6.897083,6.879763
sgpcmbeC1.c1,1998,0113:30:00,29 ,0.967867,32.74302,8.150063,8.451979
sgpcmbeC1.c1,1998,0114:30:00,29 ,1.367795,23.51688,8.545954,6.296502
sgpcmbeC1.c1,1998,0115:30:00,29 ,0.791147,27.43095,8.415349,6.803402
sgpcmbeC1.c1,1998,0116:30:00,29 ,0.576725,19.45776,7.641752,5.368783
sgpcmbeC1.c1,1998,0117:30:00,29 ,  0.1064,10.03773,3.748108,3.229319
sgpcmbeC1.c1,1998,0118:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,0119:30:00,28 ,       0,0.018114,0.000647,0.003423
sgpcmbeC1.c1,1998,0120:30:00,28 ,       0,0.049794,0.004613,0.011747
sgpcmbeC1.c1,1998,0121:30:00,28 ,       0,0.101663,0.012277, 0.02694
sgpcmbeC1.c1,1998,0122:30:00,29 ,       0,  0.3081,0.020088,0.060385
sgpcmbeC1.c1,1998,0123:30:00,29 ,       0,0.305748,0.025768, 0.05939