datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,07 0:30:00,28 ,0.019571, 0.21331,0.087613,0.044009
sgpcmbeC1.c1,2007,07 1:30:00,28 ,0.022006,0.152973,0.079879,0.042515
sgpcmbeC1.c1,2007,07 2:30:00,28 ,0.030563,0.215387,0.079414,0.045918
sgpcmbeC1.c1,2007,07 3:30:00,29 ,0.018754,0.168849,0.077517,0.046032
sgpcmbeC1.c1,2007,07 4:30:00,29 ,0.018965,0.215242,0.072837, 0.04612
sgpcmbeC1.c1,2007,07 5:30:00,29 ,0.012764,0.154518,  0.0725,0.038252
sgpcmbeC1.c1,2007,07 6:30:00,28 ,0.024892,0.136373,0.074205,0.038387
sgpcmbeC1.c1,2007,07 7:30:00,29 ,0.023731,0.172241,0.073986,0.043194
sgpcmbeC1.c1,2007,07 8:30:00,30 ,0.022455,0.138418,0.071733,0.036842
sgpcmbeC1.c1,2007,07 9:30:00,30 ,0.027205,0.169549,0.074347,0.039503
sgpcmbeC1.c1,2007,0710:30:00,30 ,0.021172,0.132677,0.073832,0.034221
sgpcmbeC1.c1,2007,0711:30:00,29 ,0.016628,0.168583,0.090982,0.040113
sgpcmbeC1.c1,2007,0712:30:00,28 ,0.040843, 0.15248,0.096516,0.031379
sgpcmbeC1.c1,2007,0713:30:00,28 , 0.05012,0.136176,0.090975,0.028528
sgpcmbeC1.c1,2007,0714:30:00,28 ,0.047444,0.164077,0.097492,0.040059
sgpcmbeC1.c1,2007,0715:30:00,28 ,0.031824,0.184293,0.087648,0.040353
sgpcmbeC1.c1,2007,0716:30:00,28 ,0.033866,0.207111,0.099553,0.045569
sgpcmbeC1.c1,2007,0717:30:00,28 ,0.042987,0.151922,0.085324,0.031824
sgpcmbeC1.c1,2007,0718:30:00,29 ,0.036775,0.232233, 0.09202,0.042939
sgpcmbeC1.c1,2007,0719:30:00,29 ,0.026809,0.173716,0.088329,0.039551
sgpcmbeC1.c1,2007,0720:30:00,29 ,0.024444,0.188648,0.097158,0.049134
sgpcmbeC1.c1,2007,0721:30:00,29 ,0.019998,0.232946,0.091407, 0.04525
sgpcmbeC1.c1,2007,0722:30:00,29 ,0.027568,0.153418, 0.08499,0.036513
sgpcmbeC1.c1,2007,0723:30:00,28 ,0.023356,0.129448,0.077271,0.034698