datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,04 0:30:00,30 ,242.9782,398.2349,315.7315,  41.639
sgpcmbeC1.c1,2001,04 1:30:00,30 ,239.5142,416.1117,315.9237,43.13602
sgpcmbeC1.c1,2001,04 2:30:00,30 ,238.6998,396.6749,314.5392,40.06226
sgpcmbeC1.c1,2001,04 3:30:00,30 ,238.3633,403.7026,317.7517,45.34959
sgpcmbeC1.c1,2001,04 4:30:00,30 ,239.7992,389.8761,317.4841,44.33205
sgpcmbeC1.c1,2001,04 5:30:00,30 ,235.1485,411.6577,318.5577,45.48083
sgpcmbeC1.c1,2001,04 6:30:00,30 ,239.6081,419.2823,321.4813,45.94273
sgpcmbeC1.c1,2001,04 7:30:00,30 ,236.2664, 417.692,325.1013,48.91266
sgpcmbeC1.c1,2001,04 8:30:00,30 ,239.3198,415.9438,331.0283,49.39091
sgpcmbeC1.c1,2001,04 9:30:00,30 ,242.7138,416.6841, 339.776,50.92718
sgpcmbeC1.c1,2001,0410:30:00,30 ,246.4209,426.0493, 347.051,48.77958
sgpcmbeC1.c1,2001,0411:30:00,30 ,251.1468,427.4846,350.9165,46.64823
sgpcmbeC1.c1,2001,0412:30:00,30 ,254.6264,420.6545,356.7675,44.84786
sgpcmbeC1.c1,2001,0413:30:00,30 , 258.688,416.9213,359.5004, 42.7524
sgpcmbeC1.c1,2001,0414:30:00,30 ,260.4736,426.1389,356.2226,40.77883
sgpcmbeC1.c1,2001,0415:30:00,30 ,261.5027,409.9615,351.7881,36.02028
sgpcmbeC1.c1,2001,0416:30:00,30 ,261.6392,408.4211,354.1542,36.90981
sgpcmbeC1.c1,2001,0417:30:00,30 ,260.3462,402.2073, 350.476,36.04153
sgpcmbeC1.c1,2001,0418:30:00,30 ,258.6883,407.7118,341.4841,39.39611
sgpcmbeC1.c1,2001,0419:30:00,30 ,257.6115,420.3863,340.0904,45.71918
sgpcmbeC1.c1,2001,0420:30:00,30 ,255.9977,419.6915,337.1496,47.29782
sgpcmbeC1.c1,2001,0421:30:00,30 ,251.6205, 419.555,333.1199,46.47892
sgpcmbeC1.c1,2001,0422:30:00,30 , 246.552,394.3496,327.0376, 42.0955
sgpcmbeC1.c1,2001,0423:30:00,30 ,244.6052,408.2195,324.2454,42.74197