datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,01 0:30:00,28 , 0.21186,6.919618,1.780796,1.536848
sgpcmbeC1.c1,2000,01 1:30:00,28 ,0.211326,4.778552,1.920985,  1.4181
sgpcmbeC1.c1,2000,01 2:30:00,28 ,0.168404,8.565582,1.882345,1.823715
sgpcmbeC1.c1,2000,01 3:30:00,27 ,0.175756, 6.61748,1.653824,1.470189
sgpcmbeC1.c1,2000,01 4:30:00,27 ,0.144405,3.045181,1.276179,0.883875
sgpcmbeC1.c1,2000,01 5:30:00,27 ,0.135784,3.966716,1.435439,1.079937
sgpcmbeC1.c1,2000,01 6:30:00,27 ,0.219332,5.185523,1.331174,1.183374
sgpcmbeC1.c1,2000,01 7:30:00,29 ,0.160439,4.759873,1.496619,1.258545
sgpcmbeC1.c1,2000,01 8:30:00,29 ,0.391534,8.249619,3.859033,2.049557
sgpcmbeC1.c1,2000,01 9:30:00,29 ,0.837472,8.922509,4.014161,2.024774
sgpcmbeC1.c1,2000,0110:30:00,29 ,0.367405,10.54368,4.143253,2.541059
sgpcmbeC1.c1,2000,0111:30:00,29 ,0.396826,10.19102,4.219796,2.343507
sgpcmbeC1.c1,2000,0112:30:00,29 ,0.647447,9.350266,3.664256,2.227261
sgpcmbeC1.c1,2000,0113:30:00,29 ,0.389791,9.290626,2.653469,2.063512
sgpcmbeC1.c1,2000,0114:30:00,29 , 0.31743,5.524209,2.328966,1.431519
sgpcmbeC1.c1,2000,0115:30:00,29 ,  0.4034,6.140009, 2.29756,1.408375
sgpcmbeC1.c1,2000,0116:30:00,29 ,0.465894,9.263476,3.703035,2.466769
sgpcmbeC1.c1,2000,0117:30:00,29 ,0.292213,  10.232,4.890238,2.893167
sgpcmbeC1.c1,2000,0118:30:00,29 ,0.243314,5.151984,2.026037,1.442172
sgpcmbeC1.c1,2000,0119:30:00,29 ,0.170603,8.132196,2.456805,1.990332
sgpcmbeC1.c1,2000,0120:30:00,29 ,0.231066,5.845581,1.700562,1.147965
sgpcmbeC1.c1,2000,0121:30:00,29 ,0.230419,6.433738,2.016165,1.600785
sgpcmbeC1.c1,2000,0122:30:00,28 ,0.162371,5.054002,2.022717,1.473539
sgpcmbeC1.c1,2000,0123:30:00,28 ,0.269416,5.628557, 1.69632,1.499343