datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,11 0:30:00,30 ,       0,0.100288, 0.00337,0.018305
sgpcmbeC1.c1,2007,11 1:30:00,30 ,       0,0.097457,0.003695,0.017793
sgpcmbeC1.c1,2007,11 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,11 3:30:00,30 ,       0,0.129038,0.008689,0.030958
sgpcmbeC1.c1,2007,11 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,11 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,11 6:30:00,30 ,       0,0.402315,0.040431,0.098597
sgpcmbeC1.c1,2007,11 7:30:00,30 ,0.049613,14.10623,9.605215,4.062632
sgpcmbeC1.c1,2007,11 8:30:00,30 ,1.727252, 21.5949,12.86194,4.543334
sgpcmbeC1.c1,2007,11 9:30:00,30 , 2.10051,28.30156,11.69524,5.108058
sgpcmbeC1.c1,2007,1110:30:00,30 ,3.298329,29.59734,9.731532,6.057193
sgpcmbeC1.c1,2007,1111:30:00,30 ,1.863396,50.18005,10.07425,11.97182
sgpcmbeC1.c1,2007,1112:30:00,30 ,0.705473,41.68173,9.063771,12.71833
sgpcmbeC1.c1,2007,1113:30:00,30 ,4.187022,32.84642,9.835659,8.558735
sgpcmbeC1.c1,2007,1114:30:00,30 ,5.797953,32.32182,10.48738,5.546832
sgpcmbeC1.c1,2007,1115:30:00,30 ,1.799178,24.79267,12.84971,4.267877
sgpcmbeC1.c1,2007,1116:30:00,30 ,1.237873,18.06425,12.13111,4.489307
sgpcmbeC1.c1,2007,1117:30:00,30 ,       0,6.120823,2.398361,1.767164
sgpcmbeC1.c1,2007,1118:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1119:30:00,30 ,       0,0.162891,0.005457,0.029735
sgpcmbeC1.c1,2007,1120:30:00,30 ,       0,0.034303,0.001348,0.006324
sgpcmbeC1.c1,2007,1121:30:00,30 ,       0,0.124954,0.004165,0.022813
sgpcmbeC1.c1,2007,1122:30:00,30 ,       0,0.004094,0.000136,0.000747
sgpcmbeC1.c1,2007,1123:30:00,30 ,       0,0.189243,0.010506,0.040749