datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,02 0:30:00,28 ,0.555325,8.126989,3.168143,2.415072
sgpcmbeC1.c1,2005,02 1:30:00,28 ,0.502573, 18.2694,3.132425,4.697197
sgpcmbeC1.c1,2005,02 2:30:00,28 ,0.460493,26.87887,4.254945,6.585749
sgpcmbeC1.c1,2005,02 3:30:00,28 ,0.455118,19.26632,3.338157,4.358539
sgpcmbeC1.c1,2005,02 4:30:00,28 ,0.462125,18.90307,3.437454,4.430912
sgpcmbeC1.c1,2005,02 5:30:00,28 ,0.471075,16.95772, 3.27624,4.796006
sgpcmbeC1.c1,2005,02 6:30:00,28 ,0.400946,26.45515,4.636332,7.306893
sgpcmbeC1.c1,2005,02 7:30:00,28 ,0.592855,13.98118,2.742944,3.293855
sgpcmbeC1.c1,2005,02 8:30:00,28 ,0.510236,20.22008,3.202655,4.783599
sgpcmbeC1.c1,2005,02 9:30:00,28 ,0.417492,  14.758,2.956848,2.865536
sgpcmbeC1.c1,2005,0210:30:00,28 ,0.485413,12.75037,3.204902,3.440542
sgpcmbeC1.c1,2005,0211:30:00,28 ,0.558476,14.94827,3.134419,3.828185
sgpcmbeC1.c1,2005,0212:30:00,28 ,0.467845,26.61901,3.620118,5.379083
sgpcmbeC1.c1,2005,0213:30:00,28 ,0.480774,21.28849,2.938357,4.325136
sgpcmbeC1.c1,2005,0214:30:00,28 ,0.380109,20.87616,3.217939,4.715623
sgpcmbeC1.c1,2005,0215:30:00,28 ,0.418366, 30.8399,4.217751,6.204246
sgpcmbeC1.c1,2005,0216:30:00,28 ,0.421765,11.05351,3.059167,3.107096
sgpcmbeC1.c1,2005,0217:30:00,28 ,0.368602,19.56979,3.181605,4.215627
sgpcmbeC1.c1,2005,0218:30:00,28 ,0.562825,14.79905, 2.75889,3.305956
sgpcmbeC1.c1,2005,0219:30:00,28 ,0.491981,27.50115,3.724135,5.772454
sgpcmbeC1.c1,2005,0220:30:00,28 ,0.349752,21.57888,2.836398,4.523269
sgpcmbeC1.c1,2005,0221:30:00,28 ,0.453738,17.84385,2.698833,4.030041
sgpcmbeC1.c1,2005,0222:30:00,28 ,0.391233,15.97994, 3.03024, 3.76336
sgpcmbeC1.c1,2005,0223:30:00,28 ,0.491901,13.58187,3.208643,3.351273