datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,11 0:30:00,20 ,       0,181.2233,19.13289,41.38921
sgpcmbeC1.c1,2001,11 1:30:00,20 ,       0,485.6552,44.16674,119.6003
sgpcmbeC1.c1,2001,11 2:30:00,19 ,       0,290.7853, 24.5058,66.89925
sgpcmbeC1.c1,2001,11 3:30:00,19 ,       0, 76.0493,14.15776,23.44924
sgpcmbeC1.c1,2001,11 4:30:00,19 ,       0,118.3735,11.43726,26.66426
sgpcmbeC1.c1,2001,11 5:30:00,19 ,       0,126.1277,16.92396,31.09616
sgpcmbeC1.c1,2001,11 6:30:00,18 ,       0,178.3196,22.55021,44.22842
sgpcmbeC1.c1,2001,11 7:30:00,18 ,       0,129.6285,18.64896,35.20161
sgpcmbeC1.c1,2001,11 8:30:00,18 ,       0,99.11189,13.91263,24.48316
sgpcmbeC1.c1,2001,11 9:30:00,20 ,       0, 238.332,25.81992,59.25501
sgpcmbeC1.c1,2001,1110:30:00,22 ,       0,261.9932,21.47803, 56.6659
sgpcmbeC1.c1,2001,1111:30:00,22 ,       0,206.7317,26.71002,57.76122
sgpcmbeC1.c1,2001,1112:30:00,22 ,       0,269.7408,35.13654,67.59012
sgpcmbeC1.c1,2001,1113:30:00,22 ,       0,337.9144,37.70822,83.64047
sgpcmbeC1.c1,2001,1114:30:00,22 ,       0,130.3993,22.37557,40.57092
sgpcmbeC1.c1,2001,1115:30:00,22 ,       0,405.6653,33.60662,87.40638
sgpcmbeC1.c1,2001,1116:30:00,22 ,       0,113.3729,15.02991,24.35622
sgpcmbeC1.c1,2001,1117:30:00,22 ,0.002286,122.8719,16.16913,26.92589
sgpcmbeC1.c1,2001,1118:30:00,21 ,0.050625,157.0817,14.45063,33.49522
sgpcmbeC1.c1,2001,1119:30:00,21 ,       0,145.1357, 13.2512,30.95327
sgpcmbeC1.c1,2001,1120:30:00,22 ,       0,80.22687,11.89147,19.81372
sgpcmbeC1.c1,2001,1121:30:00,22 ,       0,45.73523,9.503117,12.09597
sgpcmbeC1.c1,2001,1122:30:00,22 ,       0,62.55424,  12.036,20.01171
sgpcmbeC1.c1,2001,1123:30:00,22 ,       0,104.9647,12.82252,26.30277