datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,11 0:30:00,30 ,       0,88.14349, 7.34254,20.34641
sgpcmbeC1.c1,1999,11 1:30:00,30 ,       0,77.67219,5.071096,14.26019
sgpcmbeC1.c1,1999,11 2:30:00,30 ,       0,113.7653,6.149289,  20.608
sgpcmbeC1.c1,1999,11 3:30:00,29 ,       0,75.59019,4.247272,13.85213
sgpcmbeC1.c1,1999,11 4:30:00,29 ,       0,90.95894,6.065891,18.21107
sgpcmbeC1.c1,1999,11 5:30:00,29 ,       0, 152.329,11.19899,35.94582
sgpcmbeC1.c1,1999,11 6:30:00,28 ,       0,420.3962,20.54453,81.11511
sgpcmbeC1.c1,1999,11 7:30:00,28 ,       0,613.3737,27.49232,117.1802
sgpcmbeC1.c1,1999,11 8:30:00,29 ,       0,239.6625,10.90366,45.25936
sgpcmbeC1.c1,1999,11 9:30:00,29 ,       0,177.2698,8.426632,33.78588
sgpcmbeC1.c1,1999,1110:30:00,30 ,       0,266.0928,10.76762,48.46191
sgpcmbeC1.c1,1999,1111:30:00,29 ,       0,834.7859,32.50065,154.4966
sgpcmbeC1.c1,1999,1112:30:00,29 ,       0,1034.723,39.54465,191.5187
sgpcmbeC1.c1,1999,1113:30:00,28 ,       0,35.94696,3.687696, 6.87903
sgpcmbeC1.c1,1999,1114:30:00,26 ,       0,44.91245,4.427365,9.485585
sgpcmbeC1.c1,1999,1115:30:00,25 ,       0,224.0773,19.64605,56.71476
sgpcmbeC1.c1,1999,1116:30:00,23 ,       0,217.1407,12.50438,44.86696
sgpcmbeC1.c1,1999,1117:30:00,17 ,       0,61.16539,6.823717,14.38376
sgpcmbeC1.c1,1999,1118:30:00,29 ,       0, 1200.52, 43.9695,222.4595
sgpcmbeC1.c1,1999,1119:30:00,29 ,       0, 25.4723,2.864274,5.173868
sgpcmbeC1.c1,1999,1120:30:00,30 ,       0,1169.797,43.67472,212.9282
sgpcmbeC1.c1,1999,1121:30:00,29 ,       0,813.5391,34.12639,151.1677
sgpcmbeC1.c1,1999,1122:30:00,29 ,       0,379.4417,17.26069,70.29508
sgpcmbeC1.c1,1999,1123:30:00,30 ,       0,215.0611,9.657748, 38.9904