datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,11 0:30:00,28 ,       0,397.9498,59.18813,101.9737
sgpcmbeC1.c1,1998,11 1:30:00,28 ,       0,610.9476,75.13056,139.6429
sgpcmbeC1.c1,1998,11 2:30:00,28 ,       0,670.9277,82.90977,152.3515
sgpcmbeC1.c1,1998,11 3:30:00,28 ,       0,927.8631,104.7356,211.0183
sgpcmbeC1.c1,1998,11 4:30:00,27 ,       0,749.8859,76.04239,155.6703
sgpcmbeC1.c1,1998,11 5:30:00,25 ,       0,823.1215,77.55423,172.6695
sgpcmbeC1.c1,1998,11 6:30:00,26 ,       0, 1174.06,104.1352,245.6808
sgpcmbeC1.c1,1998,11 7:30:00,26 ,       0,370.0497,61.48614,104.7067
sgpcmbeC1.c1,1998,11 8:30:00,27 ,       0,556.9568,89.81624,161.6382
sgpcmbeC1.c1,1998,11 9:30:00,28 ,       0,618.7383,80.60153,  153.64
sgpcmbeC1.c1,1998,1110:30:00,30 ,       0,655.7954,87.26134,153.5993
sgpcmbeC1.c1,1998,1111:30:00,30 ,       0,580.7902,102.6536,162.7157
sgpcmbeC1.c1,1998,1112:30:00,30 ,       0, 482.685,112.4989,158.8142
sgpcmbeC1.c1,1998,1113:30:00,30 ,       0,549.5609, 109.687,167.4769
sgpcmbeC1.c1,1998,1114:30:00,30 ,       0,867.8259,104.8513,190.9959
sgpcmbeC1.c1,1998,1115:30:00,29 ,       0,535.9525,93.27153,148.4556
sgpcmbeC1.c1,1998,1116:30:00,30 ,0.084035,420.5175,89.78386, 132.268
sgpcmbeC1.c1,1998,1117:30:00,30 ,0.053995,396.9199,82.13309,120.6992
sgpcmbeC1.c1,1998,1118:30:00,29 ,0.014689, 648.817,85.21156,157.0339
sgpcmbeC1.c1,1998,1119:30:00,29 ,0.003241,540.2355,82.12152,151.6165
sgpcmbeC1.c1,1998,1120:30:00,28 ,       0,445.0301,82.93733,141.2696
sgpcmbeC1.c1,1998,1121:30:00,29 ,       0,317.0019,55.28283,91.86068
sgpcmbeC1.c1,1998,1122:30:00,29 ,       0,256.9926,45.89515,74.87922
sgpcmbeC1.c1,1998,1123:30:00,29 ,       0,433.8249,54.50192,104.4201