datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,11 0:30:00,30 ,       0,       1,0.171019,0.341247
sgpcmbeC1.c1,1999,11 1:30:00,30 ,       0,       1,0.148611,0.288478
sgpcmbeC1.c1,1999,11 2:30:00,30 ,       0,       1,0.184722,0.318159
sgpcmbeC1.c1,1999,11 3:30:00,30 ,       0,       1,0.234259,0.349843
sgpcmbeC1.c1,1999,11 4:30:00,30 ,       0,       1,0.263056, 0.36041
sgpcmbeC1.c1,1999,11 5:30:00,30 ,       0,       1,0.248519,0.398857
sgpcmbeC1.c1,1999,11 6:30:00,30 ,       0,       1, 0.28963,0.410936
sgpcmbeC1.c1,1999,11 7:30:00,30 ,       0,       1,0.182778,0.336669
sgpcmbeC1.c1,1999,11 8:30:00,30 ,       0,       1,0.173889,0.329895
sgpcmbeC1.c1,1999,11 9:30:00,30 ,       0,       1,0.211296,0.347556
sgpcmbeC1.c1,1999,1110:30:00,30 ,       0,       1,0.229167,0.339446
sgpcmbeC1.c1,1999,1111:30:00,30 ,       0,       1, 0.26463,0.389253
sgpcmbeC1.c1,1999,1112:30:00,30 ,       0,       1, 0.23963,0.359284
sgpcmbeC1.c1,1999,1113:30:00,30 ,       0,       1,  0.2225,0.370116
sgpcmbeC1.c1,1999,1114:30:00,30 ,       0,       1,    0.28,0.415933
sgpcmbeC1.c1,1999,1115:30:00,30 ,       0,       1,0.316111,0.420354
sgpcmbeC1.c1,1999,1116:30:00,30 ,       0,       1,0.346667,0.453736
sgpcmbeC1.c1,1999,1117:30:00,30 ,       0,       1,0.321296,0.436245
sgpcmbeC1.c1,1999,1118:30:00,30 ,       0,       1,0.334074,0.439447
sgpcmbeC1.c1,1999,1119:30:00,30 ,       0,       1,0.292037,0.395541
sgpcmbeC1.c1,1999,1120:30:00,30 ,       0,       1,0.294907,0.405497
sgpcmbeC1.c1,1999,1121:30:00,30 ,       0,       1,0.320648,  0.4213
sgpcmbeC1.c1,1999,1122:30:00,30 ,       0,       1,0.285741,0.410283
sgpcmbeC1.c1,1999,1123:30:00,30 ,       0,       1,0.226019, 0.37264