datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,03 0:30:00,16 ,0.592802,2.163347,1.184183,0.423154
sgpcmbeC1.c1,2002,03 1:30:00,16 ,0.560038,2.197123,1.189365,0.421337
sgpcmbeC1.c1,2002,03 2:30:00,16 ,0.560623,2.265786,1.173769,0.417601
sgpcmbeC1.c1,2002,03 3:30:00,15 ,0.532009,2.224291,1.174096,0.418767
sgpcmbeC1.c1,2002,03 4:30:00,15 , 0.54186,2.288906,1.176235, 0.42694
sgpcmbeC1.c1,2002,03 5:30:00,14 ,0.542544,2.471764,1.216905,0.448357
sgpcmbeC1.c1,2002,03 6:30:00,14 ,0.529301,2.652683,1.253606,0.487701
sgpcmbeC1.c1,2002,03 7:30:00,14 ,0.488443,2.738698,1.267834,0.512159
sgpcmbeC1.c1,2002,03 8:30:00,13 ,0.502271,1.700968,1.142418,0.287244
sgpcmbeC1.c1,2002,03 9:30:00,18 ,0.462838,1.713177,1.027458,  0.3287
sgpcmbeC1.c1,2002,0310:30:00,19 ,0.424424,2.604321,1.142105,0.473785
sgpcmbeC1.c1,2002,0311:30:00,19 ,0.426838,2.516855,1.149611,0.457569
sgpcmbeC1.c1,2002,0312:30:00,19 ,0.420152,2.500927,1.184022,0.446297
sgpcmbeC1.c1,2002,0313:30:00,20 ,0.417175,2.351844,1.193214,0.410701
sgpcmbeC1.c1,2002,0314:30:00,20 ,0.414131,2.222403,1.215866,0.404121
sgpcmbeC1.c1,2002,0315:30:00,20 ,0.408948,2.189597, 1.21754,0.398438
sgpcmbeC1.c1,2002,0316:30:00,21 ,0.424939, 2.15265,1.180733,0.388347
sgpcmbeC1.c1,2002,0317:30:00,21 ,0.457522,2.116789,1.195192,0.376725
sgpcmbeC1.c1,2002,0318:30:00,19 ,0.492701,2.972319,1.242091,0.516147
sgpcmbeC1.c1,2002,0319:30:00,19 ,0.505071, 2.68287,1.262467,0.485462
sgpcmbeC1.c1,2002,0320:30:00,19 ,0.538462,2.480457,1.307518,0.518911
sgpcmbeC1.c1,2002,0321:30:00,19 ,0.574885,2.336193,1.249696,0.420533
sgpcmbeC1.c1,2002,0322:30:00,17 ,0.615332,2.279446,1.203945, 0.42888
sgpcmbeC1.c1,2002,0323:30:00,17 ,0.624955,2.185953,1.197858,0.412412