datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,05 0:30:00,30 ,       0,2.509347,0.576034,0.773203
sgpcmbeC1.c1,2001,05 1:30:00,29 ,       0, 2.29854,0.632972,0.767576
sgpcmbeC1.c1,2001,05 2:30:00,30 ,       0,2.538983,0.679121,0.825193
sgpcmbeC1.c1,2001,05 3:30:00,31 ,       0,2.229644,0.723944,0.783444
sgpcmbeC1.c1,2001,05 4:30:00,30 ,       0,2.477589,0.783305,0.805606
sgpcmbeC1.c1,2001,05 5:30:00,31 ,0.011194,12.30585, 3.15787,3.880049
sgpcmbeC1.c1,2001,05 6:30:00,31 ,0.072906,138.5716,  50.245,49.36946
sgpcmbeC1.c1,2001,05 7:30:00,30 ,0.172226,323.9007,152.5074,122.7764
sgpcmbeC1.c1,2001,05 8:30:00,30 , 0.22966,515.3671,277.8328,194.4475
sgpcmbeC1.c1,2001,05 9:30:00,31 ,0.136253,678.2705,375.6477,271.5112
sgpcmbeC1.c1,2001,0510:30:00,31 ,1.013077, 804.701, 467.732,293.2728
sgpcmbeC1.c1,2001,0511:30:00,31 ,1.487122,891.7529, 507.669,330.8173
sgpcmbeC1.c1,2001,0512:30:00,31 ,0.082508, 922.609,522.4167,349.8653
sgpcmbeC1.c1,2001,0513:30:00,31 ,1.365051,884.1095,465.5143,343.8394
sgpcmbeC1.c1,2001,0514:30:00,31 ,0.001389,753.2209, 414.195,291.5632
sgpcmbeC1.c1,2001,0515:30:00,31 ,       0,615.0231,305.0583,233.6314
sgpcmbeC1.c1,2001,0516:30:00,30 ,       0,441.7144,221.0551,160.8058
sgpcmbeC1.c1,2001,0517:30:00,30 ,       0, 269.193,136.0519,104.2706
sgpcmbeC1.c1,2001,0518:30:00,31 ,       0, 112.069,44.66852,36.15549
sgpcmbeC1.c1,2001,0519:30:00,31 ,0.010329,8.415448,1.931971,2.193655
sgpcmbeC1.c1,2001,0520:30:00,28 ,       0,2.125527,0.566014,0.695342
sgpcmbeC1.c1,2001,0521:30:00,29 ,       0,3.714591,0.758014,1.031487
sgpcmbeC1.c1,2001,0522:30:00,29 ,       0, 2.52896,0.536666,0.697934
sgpcmbeC1.c1,2001,0523:30:00,30 ,       0,3.635868,0.668296,0.932138