datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,02 0:30:00,21 ,0.395533,3.019937,1.237369,0.777122
sgpcmbeC1.c1,2005,02 1:30:00,20 ,0.377578,2.678929, 1.17177,0.745457
sgpcmbeC1.c1,2005,02 2:30:00,20 ,0.409035,3.275425,1.188978,0.830353
sgpcmbeC1.c1,2005,02 3:30:00,20 , 0.43199,3.017056,1.145656,0.778202
sgpcmbeC1.c1,2005,02 4:30:00,19 ,0.508637,2.982808,1.127794,0.764166
sgpcmbeC1.c1,2005,02 5:30:00,17 ,0.502773,3.083622,1.116324, 0.77727
sgpcmbeC1.c1,2005,02 6:30:00,18 ,0.493597,3.676021,1.257769, 0.95287
sgpcmbeC1.c1,2005,02 7:30:00,16 ,0.513249,2.342068,0.974196,0.471639
sgpcmbeC1.c1,2005,02 8:30:00,21 ,0.506463, 4.44424,1.254462,0.939484
sgpcmbeC1.c1,2005,02 9:30:00,23 ,0.516559,3.269908,1.118708,0.653237
sgpcmbeC1.c1,2005,0210:30:00,24 , 0.51595,3.016822,1.141751,0.602642
sgpcmbeC1.c1,2005,0211:30:00,25 ,0.503222,3.042734,1.151451,0.576484
sgpcmbeC1.c1,2005,0212:30:00,26 ,0.501775,3.015178,1.191406,0.575709
sgpcmbeC1.c1,2005,0213:30:00,26 , 0.52521,3.113537,1.200495,0.578792
sgpcmbeC1.c1,2005,0214:30:00,26 ,0.546825,3.176058, 1.24683,0.608611
sgpcmbeC1.c1,2005,0215:30:00,26 ,0.572232,3.221417,1.252449,0.601241
sgpcmbeC1.c1,2005,0216:30:00,26 , 0.56769,3.238581,1.261044,0.589039
sgpcmbeC1.c1,2005,0217:30:00,25 ,0.584092,2.124892,1.193234,0.450621
sgpcmbeC1.c1,2005,0218:30:00,26 , 0.53638,2.514435,1.231937,0.493669
sgpcmbeC1.c1,2005,0219:30:00,26 ,0.432408,2.867533,1.235802,0.557107
sgpcmbeC1.c1,2005,0220:30:00,25 ,0.425253,2.086613,1.166667,0.480567
sgpcmbeC1.c1,2005,0221:30:00,25 ,0.449363,2.246936,1.157719,0.509368
sgpcmbeC1.c1,2005,0222:30:00,23 ,0.434347,2.515304,1.172465,0.615952
sgpcmbeC1.c1,2005,0223:30:00,22 ,0.414864,3.990878,1.203028,0.832714