datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,05 0:30:00,29 ,0.637824,3.955537,2.247066,0.897108
sgpcmbeC1.c1,1997,05 1:30:00,29 ,0.594526,4.286628,2.219072,0.918285
sgpcmbeC1.c1,1997,05 2:30:00,31 ,0.556489,4.545851,2.342016,1.001521
sgpcmbeC1.c1,1997,05 3:30:00,30 ,0.538167,3.919281,2.246164,0.903227
sgpcmbeC1.c1,1997,05 4:30:00,30 ,0.538979,3.786911,2.207527,0.884143
sgpcmbeC1.c1,1997,05 5:30:00,30 ,0.513713,4.268601,2.219065, 0.93323
sgpcmbeC1.c1,1997,05 6:30:00,31 ,0.460987,4.083957,2.232252,0.929271
sgpcmbeC1.c1,1997,05 7:30:00,31 ,0.412176, 4.26336,2.215134, 0.93065
sgpcmbeC1.c1,1997,05 8:30:00,31 ,0.443863,3.510348,2.175792,0.866212
sgpcmbeC1.c1,1997,05 9:30:00,30 ,0.482581,3.388402, 2.13001,0.840857
sgpcmbeC1.c1,1997,0510:30:00,29 ,0.514434,3.541879,2.114532, 0.82937
sgpcmbeC1.c1,1997,0511:30:00,30 ,0.526773,3.627721,2.198737,0.859279
sgpcmbeC1.c1,1997,0512:30:00,29 ,0.576946,3.542881,2.225048,0.855993
sgpcmbeC1.c1,1997,0513:30:00,28 ,0.644388, 3.73399,2.303596,0.881057
sgpcmbeC1.c1,1997,0514:30:00,28 ,0.694304,3.866183,2.340263,0.870568
sgpcmbeC1.c1,1997,0515:30:00,28 ,0.738792,4.071993,2.348004,0.858528
sgpcmbeC1.c1,1997,0516:30:00,28 ,0.770132,4.004805,2.379924,0.863733
sgpcmbeC1.c1,1997,0517:30:00,28 ,0.756024, 3.91788,2.394841,0.854698
sgpcmbeC1.c1,1997,0518:30:00,31 ,0.729082,4.106308,2.407404,0.812306
sgpcmbeC1.c1,1997,0519:30:00,31 ,0.722099,4.269736,2.411297,0.840382
sgpcmbeC1.c1,1997,0520:30:00,31 ,0.729523,4.247786,2.396032,  0.8568
sgpcmbeC1.c1,1997,0521:30:00,29 ,0.732188,3.660176,2.285191,0.770099
sgpcmbeC1.c1,1997,0522:30:00,30 ,0.730164,4.192318,2.368796,0.877386
sgpcmbeC1.c1,1997,0523:30:00,29 ,0.682243,3.927893,2.296481,0.863719