datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,06 0:30:00,22 ,       0,179.6424,22.59952,45.95959
sgpcmbeC1.c1,2002,06 1:30:00,22 ,       0,428.7722,45.66036,110.2123
sgpcmbeC1.c1,2002,06 2:30:00,22 ,       0,1407.552,78.26662, 298.804
sgpcmbeC1.c1,2002,06 3:30:00,22 ,       0,63.37865,12.76771,16.82397
sgpcmbeC1.c1,2002,06 4:30:00,22 ,       0,71.76054, 10.3556,15.62244
sgpcmbeC1.c1,2002,06 5:30:00,22 ,       0,98.07867,16.19341,25.73323
sgpcmbeC1.c1,2002,06 6:30:00,22 ,       0,107.0777,16.28388,27.04857
sgpcmbeC1.c1,2002,06 7:30:00,22 ,       0,373.2607,38.74874,97.50542
sgpcmbeC1.c1,2002,06 8:30:00,23 ,       0,225.0974,28.23072,57.87972
sgpcmbeC1.c1,2002,06 9:30:00,23 ,       0,297.1236,33.08193,65.84831
sgpcmbeC1.c1,2002,0610:30:00,22 ,       0,428.9699,38.19567,89.67795
sgpcmbeC1.c1,2002,0611:30:00,21 ,       0,666.0878,47.42668,143.3191
sgpcmbeC1.c1,2002,0612:30:00,21 ,       0,483.3815,47.39276, 105.584
sgpcmbeC1.c1,2002,0613:30:00,21 ,       0,389.9645,47.44512,94.78073
sgpcmbeC1.c1,2002,0614:30:00,21 ,       0,776.7081,48.69277,167.3007
sgpcmbeC1.c1,2002,0615:30:00,21 ,       0,201.9994,22.75715, 43.6607
sgpcmbeC1.c1,2002,0616:30:00,21 ,       0,163.0224,16.75265,34.55548
sgpcmbeC1.c1,2002,0617:30:00,21 ,       0,74.45524, 15.5757,21.67585
sgpcmbeC1.c1,2002,0618:30:00,21 ,0.133066,599.8685,41.11608,129.6176
sgpcmbeC1.c1,2002,0619:30:00,21 ,       0,525.5802,56.89892,146.2245
sgpcmbeC1.c1,2002,0620:30:00,21 ,       0,415.7354,37.61359,93.40274
sgpcmbeC1.c1,2002,0621:30:00,21 ,       0, 380.448,34.48837, 85.1277
sgpcmbeC1.c1,2002,0622:30:00,22 ,       0, 431.342,37.24741,99.35082
sgpcmbeC1.c1,2002,0623:30:00,22 ,       0,39.42119,9.413985,9.156033