datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,08 0:30:00,30 ,       0,0.030663,0.001022,0.005598
sgpcmbeC1.c1,1998,08 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,08 2:30:00,30 ,       0,0.164215,0.005474,0.029981
sgpcmbeC1.c1,1998,08 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,08 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,08 5:30:00,30 ,       0,2.212317,0.175848,0.424495
sgpcmbeC1.c1,1998,08 6:30:00,30 ,0.147611,36.50279,21.04422,9.325786
sgpcmbeC1.c1,1998,08 7:30:00,30 ,11.98448,80.73971,44.36697,15.76315
sgpcmbeC1.c1,1998,08 8:30:00,30 ,10.32827,181.3213,63.69585,37.24617
sgpcmbeC1.c1,1998,08 9:30:00,30 ,0.859484,194.2549,71.30357,44.43611
sgpcmbeC1.c1,1998,0810:30:00,30 ,13.19572,199.2188,74.43726,61.55378
sgpcmbeC1.c1,1998,0811:30:00,30 ,0.542111,277.6967,103.0888,100.0092
sgpcmbeC1.c1,1998,0812:30:00,30 ,5.041857, 301.935,140.4985,107.3505
sgpcmbeC1.c1,1998,0813:30:00,31 ,6.464365,332.2888,153.5423,101.7296
sgpcmbeC1.c1,1998,0814:30:00,31 ,14.58386,296.4722, 147.844,90.32978
sgpcmbeC1.c1,1998,0815:30:00,31 , 0.69443,215.9209,98.16728,64.31091
sgpcmbeC1.c1,1998,0816:30:00,31 ,       0,178.9948,73.83635,44.40503
sgpcmbeC1.c1,1998,0817:30:00,31 ,0.054247,98.84933,43.37183,27.91381
sgpcmbeC1.c1,1998,0818:30:00,31 ,0.049801,43.92229,21.83955,10.90731
sgpcmbeC1.c1,1998,0819:30:00,31 ,       0,7.893632,1.136906,1.798906
sgpcmbeC1.c1,1998,0820:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,0821:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,0822:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,0823:30:00,30 ,       0,0.196024,0.006534,0.035789