datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,02 0:30:00,24 ,0.012747,0.081064,0.030186,0.019093
sgpcmbeC1.c1,1999,02 1:30:00,26 ,0.010776,0.044547,0.022637,0.009366
sgpcmbeC1.c1,1999,02 2:30:00,26 , 0.01083,0.163388,0.039091,0.037829
sgpcmbeC1.c1,1999,02 3:30:00,26 ,   0.013,0.207788,0.041798,0.041875
sgpcmbeC1.c1,1999,02 4:30:00,26 ,0.011966,0.165776,0.036858,0.035976
sgpcmbeC1.c1,1999,02 5:30:00,26 ,0.010499,0.263287,0.044025,0.060576
sgpcmbeC1.c1,1999,02 6:30:00,26 , 0.01052, 0.27809,0.046687,0.066114
sgpcmbeC1.c1,1999,02 7:30:00,24 ,0.011399,0.163641,0.030708,0.033266
sgpcmbeC1.c1,1999,02 8:30:00,24 ,0.011811,0.093583,0.028066,0.018942
sgpcmbeC1.c1,1999,02 9:30:00,25 ,0.011201, 0.06227,0.024125,0.012884
sgpcmbeC1.c1,1999,0210:30:00,25 ,0.012907,0.051006,0.023212,0.009442
sgpcmbeC1.c1,1999,0211:30:00,25 , 0.01167, 0.10579,0.026411,0.018367
sgpcmbeC1.c1,1999,0212:30:00,24 , 0.01226, 0.12839,0.029861, 0.02331
sgpcmbeC1.c1,1999,0213:30:00,22 ,0.013327,0.065252,0.028902,0.016227
sgpcmbeC1.c1,1999,0214:30:00,21 ,0.006906,0.064024, 0.03144,0.018549
sgpcmbeC1.c1,1999,0215:30:00,20 ,0.012233,0.055275,0.029489,0.013677
sgpcmbeC1.c1,1999,0216:30:00,21 ,0.010833,0.122947,0.033327,0.026761
sgpcmbeC1.c1,1999,0217:30:00,21 ,0.012905, 0.10887,0.031958,0.022331
sgpcmbeC1.c1,1999,0218:30:00,26 ,0.011122,0.274646,0.039865,0.051394
sgpcmbeC1.c1,1999,0219:30:00,26 ,0.011949,0.131751,0.039691,0.037394
sgpcmbeC1.c1,1999,0220:30:00,26 ,0.012093, 0.11103,0.031329,0.023581
sgpcmbeC1.c1,1999,0221:30:00,26 , 0.01058, 0.13168,0.034348,0.033489
sgpcmbeC1.c1,1999,0222:30:00,26 ,0.011017,0.077274,0.027663,0.015152
sgpcmbeC1.c1,1999,0223:30:00,25 ,0.012007,0.158043,0.030897,0.029906