datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,01 0:30:00,29 ,0.322754,16.45908,2.380418,3.552672
sgpcmbeC1.c1,2002,01 1:30:00,29 ,0.531458,21.02777,2.558372,4.109157
sgpcmbeC1.c1,2002,01 2:30:00,29 ,0.247619, 10.4435,1.753649,2.030117
sgpcmbeC1.c1,2002,01 3:30:00,29 ,0.364311,10.65266,1.885021,2.375421
sgpcmbeC1.c1,2002,01 4:30:00,29 ,0.401368,14.09053,3.244614,4.236315
sgpcmbeC1.c1,2002,01 5:30:00,29 ,0.355627, 20.1609,2.979211,4.344119
sgpcmbeC1.c1,2002,01 6:30:00,29 ,0.215675,25.83072,3.998911,5.674449
sgpcmbeC1.c1,2002,01 7:30:00,29 , 0.27442,17.03688,2.832463,3.565539
sgpcmbeC1.c1,2002,01 8:30:00,29 ,0.315114,28.13757,3.145081,5.371961
sgpcmbeC1.c1,2002,01 9:30:00,29 ,0.288675,19.83082,4.364525,4.855291
sgpcmbeC1.c1,2002,0110:30:00,29 ,0.452884,12.40086,3.719415,3.685635
sgpcmbeC1.c1,2002,0111:30:00,28 , 0.65691,19.70225,5.878317,5.150459
sgpcmbeC1.c1,2002,0112:30:00,29 ,0.558988,   14.58,4.352189,4.366472
sgpcmbeC1.c1,2002,0113:30:00,29 ,0.680818,25.28506, 5.00085,5.913295
sgpcmbeC1.c1,2002,0114:30:00,29 ,0.544747,17.10657,3.867695,4.221192
sgpcmbeC1.c1,2002,0115:30:00,29 ,0.409393,27.59606,3.587455,5.951393
sgpcmbeC1.c1,2002,0116:30:00,29 ,0.235314,20.09676,3.314035,4.429167
sgpcmbeC1.c1,2002,0117:30:00,29 ,0.528461,17.32465,3.166171,3.521608
sgpcmbeC1.c1,2002,0118:30:00,29 ,0.191621,7.659974,1.978277,1.962255
sgpcmbeC1.c1,2002,0119:30:00,29 ,0.182464,26.66463,2.677056,5.069339
sgpcmbeC1.c1,2002,0120:30:00,29 , 0.22216,25.74474,3.869242,6.414461
sgpcmbeC1.c1,2002,0121:30:00,29 ,0.183742,20.78173, 2.83177,4.199639
sgpcmbeC1.c1,2002,0122:30:00,29 ,0.220327,7.653962,2.186618,2.010207
sgpcmbeC1.c1,2002,0123:30:00,29 ,0.159368,13.30778,1.891081,2.738164