datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,01 0:30:00,28 ,       0,0.213942,0.047072,0.063941
sgpcmbeC1.c1,2000,01 1:30:00,28 ,       0,0.268572,0.044563,0.073742
sgpcmbeC1.c1,2000,01 2:30:00,28 ,       0,0.271437,0.056112,0.078511
sgpcmbeC1.c1,2000,01 3:30:00,27 ,       0,0.171784,0.035219,0.054758
sgpcmbeC1.c1,2000,01 4:30:00,27 ,       0,0.169876,0.023916,0.051838
sgpcmbeC1.c1,2000,01 5:30:00,27 ,       0,0.132806,0.011529,0.033586
sgpcmbeC1.c1,2000,01 6:30:00,27 ,       0,0.133473,0.012045,0.035901
sgpcmbeC1.c1,2000,01 7:30:00,29 ,       0,4.710196,1.551394,1.255213
sgpcmbeC1.c1,2000,01 8:30:00,29 ,0.951937,38.23397, 10.7855,7.787737
sgpcmbeC1.c1,2000,01 9:30:00,29 ,0.709587,36.44478,13.03124,9.284863
sgpcmbeC1.c1,2000,0110:30:00,29 ,2.377761,32.95947,12.26465, 9.06305
sgpcmbeC1.c1,2000,0111:30:00,29 ,1.623931,30.11869,11.68383,7.603283
sgpcmbeC1.c1,2000,0112:30:00,29 ,0.366678,39.81767,13.44461, 11.6501
sgpcmbeC1.c1,2000,0113:30:00,29 ,0.796097,68.53604,13.29448,14.89607
sgpcmbeC1.c1,2000,0114:30:00,29 ,1.323554,26.32764,10.69054,7.015851
sgpcmbeC1.c1,2000,0115:30:00,29 ,0.673293,33.15796,10.47643,6.921599
sgpcmbeC1.c1,2000,0116:30:00,29 ,1.270354,43.43418,11.14063,7.810249
sgpcmbeC1.c1,2000,0117:30:00,29 ,0.439712,22.18303,5.386144,4.468344
sgpcmbeC1.c1,2000,0118:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0119:30:00,29 ,       0,0.081267,0.002802,0.015091
sgpcmbeC1.c1,2000,0120:30:00,29 ,       0,0.120614,0.008401,0.030661
sgpcmbeC1.c1,2000,0121:30:00,29 ,       0,0.156909,0.010352,0.034192
sgpcmbeC1.c1,2000,0122:30:00,28 ,       0,  0.1713,0.020677,0.047514
sgpcmbeC1.c1,2000,0123:30:00,28 ,       0,0.160915,0.019028,0.048218