datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,08 0:30:00,30 ,       0,0.748764,0.148186,0.200087
sgpcmbeC1.c1,1998,08 1:30:00,30 ,       0,0.992064,0.185902,0.258791
sgpcmbeC1.c1,1998,08 2:30:00,30 ,       0,0.670158,0.149619,0.172832
sgpcmbeC1.c1,1998,08 3:30:00,30 ,       0,1.653523, 0.14391,0.313308
sgpcmbeC1.c1,1998,08 4:30:00,30 ,       0, 0.65898,0.156329,0.186897
sgpcmbeC1.c1,1998,08 5:30:00,30 , 0.39933,  7.8128,2.661019,1.861278
sgpcmbeC1.c1,1998,08 6:30:00,30 ,31.66244,116.5515,70.46889,19.08311
sgpcmbeC1.c1,1998,08 7:30:00,30 ,127.7597,316.7417,236.0346,37.32242
sgpcmbeC1.c1,1998,08 8:30:00,30 ,214.5405,478.7259,407.3944,65.70177
sgpcmbeC1.c1,1998,08 9:30:00,30 ,202.2054,655.2564,562.7675,115.7608
sgpcmbeC1.c1,1998,0810:30:00,30 ,272.3434,828.5912,710.5062,132.4657
sgpcmbeC1.c1,1998,0811:30:00,30 ,179.9323,927.8278,759.9942,190.3694
sgpcmbeC1.c1,1998,0812:30:00,30 ,309.5551,940.4866,746.7242,191.9946
sgpcmbeC1.c1,1998,0813:30:00,31 , 371.096,907.0443,772.0824,130.6623
sgpcmbeC1.c1,1998,0814:30:00,31 ,124.2406,857.6074,655.0496,176.9928
sgpcmbeC1.c1,1998,0815:30:00,31 ,12.15015,706.9484,539.2142,171.1622
sgpcmbeC1.c1,1998,0816:30:00,31 , 11.2435,517.1739, 381.968,130.3697
sgpcmbeC1.c1,1998,0817:30:00,31 ,15.86199,325.7024, 204.103,81.68648
sgpcmbeC1.c1,1998,0818:30:00,31 ,8.374294,138.1832,76.24302,27.34286
sgpcmbeC1.c1,1998,0819:30:00,31 ,0.181805,19.77802,5.266184,4.877522
sgpcmbeC1.c1,1998,0820:30:00,30 ,       0,1.384293,0.197936,  0.3187
sgpcmbeC1.c1,1998,0821:30:00,30 ,       0,0.745171,0.189387,0.209199
sgpcmbeC1.c1,1998,0822:30:00,30 ,       0,0.844025,0.166167,0.212766
sgpcmbeC1.c1,1998,0823:30:00,30 ,       0,0.559051,0.147672,0.172205