datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,08 0:30:00,29 ,0.014978,0.203201,0.044147,0.034953
sgpcmbeC1.c1,1997,08 1:30:00,29 ,0.017899,0.161507,0.056058, 0.03729
sgpcmbeC1.c1,1997,08 2:30:00,28 , 0.01807,0.164029,0.048695,0.039699
sgpcmbeC1.c1,1997,08 3:30:00,28 ,0.015227,0.122608,0.046483, 0.02699
sgpcmbeC1.c1,1997,08 4:30:00,29 ,0.017836,0.216803,0.054787,0.041516
sgpcmbeC1.c1,1997,08 5:30:00,30 ,0.016618,0.273051,0.061567,0.063707
sgpcmbeC1.c1,1997,08 6:30:00,28 ,0.018398,0.190198,0.048933,0.036539
sgpcmbeC1.c1,1997,08 7:30:00,30 ,0.018297,0.147483,0.053236,0.030739
sgpcmbeC1.c1,1997,08 8:30:00,30 ,0.018318,0.339832,0.064163,0.075522
sgpcmbeC1.c1,1997,08 9:30:00,28 ,0.020099,0.172161,0.052153,0.034064
sgpcmbeC1.c1,1997,0810:30:00,28 ,0.021464,0.233162,0.053623,0.046733
sgpcmbeC1.c1,1997,0811:30:00,29 ,0.021933,0.105204,0.050357,0.020921
sgpcmbeC1.c1,1997,0812:30:00,29 ,0.021568,0.141191,0.057417,0.025083
sgpcmbeC1.c1,1997,0813:30:00,29 ,0.030025,0.160875,0.062271, 0.02696
sgpcmbeC1.c1,1997,0814:30:00,29 ,0.030337,0.154342,  0.0665,0.032052
sgpcmbeC1.c1,1997,0815:30:00,28 ,0.023755,0.244821,0.067511,0.038607
sgpcmbeC1.c1,1997,0816:30:00,28 , 0.02711, 0.12623,0.061892,0.027329
sgpcmbeC1.c1,1997,0817:30:00,29 ,0.021154,0.171467,  0.0518,0.028309
sgpcmbeC1.c1,1997,0818:30:00,28 ,0.021996, 0.10942,0.051991,0.025429
sgpcmbeC1.c1,1997,0819:30:00,29 ,0.019175,0.252922,0.050187,0.044527
sgpcmbeC1.c1,1997,0820:30:00,29 ,0.021785,0.185058,0.058326,0.040948
sgpcmbeC1.c1,1997,0821:30:00,29 ,0.019415,0.289134,0.055318,0.050948
sgpcmbeC1.c1,1997,0822:30:00,29 ,0.016269,0.193992,0.056348,0.040563
sgpcmbeC1.c1,1997,0823:30:00,29 ,0.022754,0.341618,0.055505,0.058814