datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,03 0:30:00,29 , 0.01216,0.213437,0.052639,0.052246
sgpcmbeC1.c1,2000,03 1:30:00,28 ,0.012785,0.250058,0.046885,0.048978
sgpcmbeC1.c1,2000,03 2:30:00,29 ,0.011806,0.477497,0.059964,0.092148
sgpcmbeC1.c1,2000,03 3:30:00,28 ,0.014468,0.249388,0.046257,0.051968
sgpcmbeC1.c1,2000,03 4:30:00,28 ,0.013787,0.083133,0.035794, 0.02121
sgpcmbeC1.c1,2000,03 5:30:00,28 ,0.010745,0.307566,0.040209,0.058145
sgpcmbeC1.c1,2000,03 6:30:00,28 ,0.012214,0.700793,0.069821,0.137676
sgpcmbeC1.c1,2000,03 7:30:00,28 ,0.015111,0.438377,0.075077,0.107957
sgpcmbeC1.c1,2000,03 8:30:00,30 ,0.014849, 0.55214,0.068194,0.109631
sgpcmbeC1.c1,2000,03 9:30:00,31 , 0.01266, 0.41881,0.062821,0.090359
sgpcmbeC1.c1,2000,0310:30:00,31 ,0.014149,0.386455,0.055927,0.080224
sgpcmbeC1.c1,2000,0311:30:00,31 ,0.013094, 0.50932,0.077672,0.109392
sgpcmbeC1.c1,2000,0312:30:00,31 , 0.01386,0.153797,0.047463,0.038187
sgpcmbeC1.c1,2000,0313:30:00,31 ,0.012606,0.266938,0.052059,0.052461
sgpcmbeC1.c1,2000,0314:30:00,31 ,0.013205,0.233129, 0.06233, 0.06528
sgpcmbeC1.c1,2000,0315:30:00,31 ,0.014343,0.225948,0.057506,0.048923
sgpcmbeC1.c1,2000,0316:30:00,31 ,0.014688,0.359092,0.070934,0.081608
sgpcmbeC1.c1,2000,0317:30:00,30 ,0.010654,0.208817,0.060597,0.054993
sgpcmbeC1.c1,2000,0318:30:00,31 , 0.00917,0.185583,0.047215,0.045333
sgpcmbeC1.c1,2000,0319:30:00,30 ,0.012111,0.257189, 0.06208,0.064438
sgpcmbeC1.c1,2000,0320:30:00,30 ,0.011256,0.255121,0.053723, 0.05139
sgpcmbeC1.c1,2000,0321:30:00,29 ,0.012395,0.438125, 0.08598, 0.11976
sgpcmbeC1.c1,2000,0322:30:00,30 ,0.011665,  0.2247,0.041036,0.047699
sgpcmbeC1.c1,2000,0323:30:00,30 ,0.014567,0.473796,0.076099,0.112359