datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,01 0:30:00,20 ,       0,0.034128,0.002963,0.009237
sgpcmbeC1.c1,2000,01 1:30:00,21 ,       0,0.089272,0.005952,0.020618
sgpcmbeC1.c1,2000,01 2:30:00,22 ,       0,0.066909,0.004899,0.015444
sgpcmbeC1.c1,2000,01 3:30:00,22 ,       0,0.082278,0.007185,0.023279
sgpcmbeC1.c1,2000,01 4:30:00,23 ,       0,0.037954, 0.00165,0.007914
sgpcmbeC1.c1,2000,01 5:30:00,27 ,       0,0.004674,0.000173,0.000899
sgpcmbeC1.c1,2000,01 6:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 7:30:00,29 , 0.59092,27.80214,5.053693,5.784221
sgpcmbeC1.c1,2000,01 8:30:00,29 ,13.18536,129.8598,80.16386,37.97183
sgpcmbeC1.c1,2000,01 9:30:00,29 , 28.9984,333.7113,209.7374,88.24697
sgpcmbeC1.c1,2000,0110:30:00,29 ,45.52692,501.5883,313.0652,127.0427
sgpcmbeC1.c1,2000,0111:30:00,29 ,67.88876,616.0377,393.0273,156.7387
sgpcmbeC1.c1,2000,0112:30:00,29 ,65.30727,664.7227,437.7427,160.3498
sgpcmbeC1.c1,2000,0113:30:00,29 ,69.19677, 643.575,     398,168.8415
sgpcmbeC1.c1,2000,0114:30:00,29 ,33.90807,546.6404,326.2007,145.2506
sgpcmbeC1.c1,2000,0115:30:00,29 ,29.67535,394.2964,225.6516,103.8653
sgpcmbeC1.c1,2000,0116:30:00,29 ,19.31735,179.1476,112.5168,45.00797
sgpcmbeC1.c1,2000,0117:30:00,29 ,2.080833,41.61477, 17.9788,8.838007
sgpcmbeC1.c1,2000,0118:30:00,29 ,       0,0.066294,0.006122,0.017024
sgpcmbeC1.c1,2000,0119:30:00,29 ,       0,0.034439,0.001929,0.007023
sgpcmbeC1.c1,2000,0120:30:00,28 ,       0,0.010018,0.000547,0.002108
sgpcmbeC1.c1,2000,0121:30:00,27 ,       0,0.163919,0.010544,0.035341
sgpcmbeC1.c1,2000,0122:30:00,23 ,       0,0.112443, 0.00579,0.023577
sgpcmbeC1.c1,2000,0123:30:00,22 ,       0,0.044181,0.002788,0.009712