datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,11 0:30:00,4 ,3.261827,5.805023,4.721434,1.254736
sgpcmbeC1.c1,2005,11 1:30:00,4 ,1.932819,6.344819,4.954233, 2.03455
sgpcmbeC1.c1,2005,11 2:30:00,4 ,0.823126,6.518213,4.767948,2.679297
sgpcmbeC1.c1,2005,11 3:30:00,4 ,1.210009,7.127648,4.656056,2.484277
sgpcmbeC1.c1,2005,11 4:30:00,4 ,0.696771,7.812425,4.420306,3.119704
sgpcmbeC1.c1,2005,11 5:30:00,4 ,1.748914,8.065028,5.056295,2.980438
sgpcmbeC1.c1,2005,11 6:30:00,4 ,1.214646,7.813347,4.325875,2.964243
sgpcmbeC1.c1,2005,11 7:30:00,4 ,2.436526,6.594133,3.832559,1.883962
sgpcmbeC1.c1,2005,11 8:30:00,5 ,1.493988,9.946036,4.547197,3.510579
sgpcmbeC1.c1,2005,11 9:30:00,9 ,       0,  316.95,43.44904,103.9002
sgpcmbeC1.c1,2005,1110:30:00,9 ,0.155899,271.9008,34.17785,89.19025
sgpcmbeC1.c1,2005,1111:30:00,8 ,0.443638,9.438717,4.511964, 2.96146
sgpcmbeC1.c1,2005,1112:30:00,7 ,0.047218,9.081532,4.382724,2.798613
sgpcmbeC1.c1,2005,1113:30:00,9 ,0.685724,270.4594, 35.0707, 88.3455
sgpcmbeC1.c1,2005,1114:30:00,8 ,0.416464,24.35796,8.266085,7.534873
sgpcmbeC1.c1,2005,1115:30:00,9 ,1.791063,113.7218,20.29069,35.47227
sgpcmbeC1.c1,2005,1116:30:00,8 ,3.007147, 96.3526,26.77578,37.47017
sgpcmbeC1.c1,2005,1117:30:00,7 ,5.910747, 60.2118,22.67331,19.52272
sgpcmbeC1.c1,2005,1118:30:00,7 ,5.868661,46.41035,21.36334,17.69025
sgpcmbeC1.c1,2005,1119:30:00,6 ,4.991292,73.19403,20.69736,26.08928
sgpcmbeC1.c1,2005,1120:30:00,6 ,6.246219,46.65853,15.04173,15.62646
sgpcmbeC1.c1,2005,1121:30:00,5 ,5.558437,8.746811,7.423239,1.410712
sgpcmbeC1.c1,2005,1122:30:00,5 ,4.349142, 11.7735,7.692627,2.871614
sgpcmbeC1.c1,2005,1123:30:00,5 ,3.766165,  9.5295, 6.57915,2.330002