datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,11 0:30:00,24 ,       0,328.1704, 32.7304,90.71333
sgpcmbeC1.c1,2002,11 1:30:00,24 ,       0,808.3538,58.52013, 183.956
sgpcmbeC1.c1,2002,11 2:30:00,24 ,       0,435.6454,37.41116,109.7072
sgpcmbeC1.c1,2002,11 3:30:00,24 ,       0,1085.175,63.61677,227.8232
sgpcmbeC1.c1,2002,11 4:30:00,24 ,       0,954.6356,53.11268,195.6504
sgpcmbeC1.c1,2002,11 5:30:00,23 ,       0,116.1962,11.71997,26.32786
sgpcmbeC1.c1,2002,11 6:30:00,24 ,       0,  1371.6,67.27248,278.8358
sgpcmbeC1.c1,2002,11 7:30:00,24 ,       0,473.2545,27.74339,96.99034
sgpcmbeC1.c1,2002,11 8:30:00,24 ,       0,508.9658,39.76771, 119.435
sgpcmbeC1.c1,2002,11 9:30:00,27 ,       0,617.4134,39.71202,  130.45
sgpcmbeC1.c1,2002,1110:30:00,27 ,       0,762.7746, 37.2693,146.8158
sgpcmbeC1.c1,2002,1111:30:00,27 ,       0,694.6884,38.08371,134.0937
sgpcmbeC1.c1,2002,1112:30:00,27 ,       0, 576.968,35.86078,113.5513
sgpcmbeC1.c1,2002,1113:30:00,26 ,       0,615.6691,42.72459,126.8861
sgpcmbeC1.c1,2002,1114:30:00,25 ,       0,534.9529,38.40696,122.1805
sgpcmbeC1.c1,2002,1115:30:00,24 ,       0,472.6582,36.56482,111.9546
sgpcmbeC1.c1,2002,1116:30:00,24 ,0.034444,622.2294,37.17096, 127.796
sgpcmbeC1.c1,2002,1117:30:00,24 , 0.12242,351.4379,24.74072,71.46873
sgpcmbeC1.c1,2002,1118:30:00,25 ,0.044386,453.7981,28.72711,90.29351
sgpcmbeC1.c1,2002,1119:30:00,25 ,0.041439, 398.979,29.21416,83.59344
sgpcmbeC1.c1,2002,1120:30:00,25 ,0.018288,455.2109, 35.5398,99.09824
sgpcmbeC1.c1,2002,1121:30:00,25 ,0.005445,470.6507,32.15911,100.1172
sgpcmbeC1.c1,2002,1122:30:00,25 ,       0,394.0251,27.30447,81.32736
sgpcmbeC1.c1,2002,1123:30:00,25 ,       0,359.4077,30.22697,80.57878