datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,11 0:30:00,20 ,       0,239.3809, 23.8238,54.71664
sgpcmbeC1.c1,2001,11 1:30:00,20 ,       0,485.4067,50.64274,135.8866
sgpcmbeC1.c1,2001,11 2:30:00,20 ,       0,  561.43,57.30522,150.6415
sgpcmbeC1.c1,2001,11 3:30:00,19 ,       0,89.22453,15.43077,27.49551
sgpcmbeC1.c1,2001,11 4:30:00,19 ,       0,166.5835,14.57239,37.61187
sgpcmbeC1.c1,2001,11 5:30:00,19 ,       0,228.7031,23.59897,53.06697
sgpcmbeC1.c1,2001,11 6:30:00,18 ,       0,204.6259,27.83151,55.86302
sgpcmbeC1.c1,2001,11 7:30:00,18 ,       0,150.5217,24.15441, 47.2017
sgpcmbeC1.c1,2001,11 8:30:00,18 ,       0,104.2074,16.32473,26.62471
sgpcmbeC1.c1,2001,11 9:30:00,20 ,       0,238.0402,29.69413, 62.5352
sgpcmbeC1.c1,2001,1110:30:00,21 ,       0,212.3108,23.88011,49.15927
sgpcmbeC1.c1,2001,1111:30:00,22 ,0.000959,236.9857, 30.9288,65.03834
sgpcmbeC1.c1,2001,1112:30:00,22 ,       0,305.9964,47.96376,92.58005
sgpcmbeC1.c1,2001,1113:30:00,22 ,       0,441.1422,51.20775,119.3625
sgpcmbeC1.c1,2001,1114:30:00,22 ,       0,415.4059,36.29318,90.58725
sgpcmbeC1.c1,2001,1115:30:00,22 ,       0, 816.765,54.07454,172.6542
sgpcmbeC1.c1,2001,1116:30:00,22 ,       0,160.6998,18.59487,34.20282
sgpcmbeC1.c1,2001,1117:30:00,22 ,0.001897,150.7156,19.19938,33.24619
sgpcmbeC1.c1,2001,1118:30:00,21 , 0.01745,117.2129,14.27009, 25.5063
sgpcmbeC1.c1,2001,1119:30:00,22 ,       0,150.2519,19.33855,36.89548
sgpcmbeC1.c1,2001,1120:30:00,22 ,0.010696,63.63867,13.13735,18.85984
sgpcmbeC1.c1,2001,1121:30:00,22 ,       0,56.74149,11.22484,15.22791
sgpcmbeC1.c1,2001,1122:30:00,22 ,       0,84.72256,14.97711, 25.4515
sgpcmbeC1.c1,2001,1123:30:00,22 ,       0,136.2477,15.53539,34.05132