datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,03 0:30:00,30 ,       0,151.1205,13.69276,36.26029
sgpcmbeC1.c1,2003,03 1:30:00,30 ,       0,115.6538,9.745627, 23.3984
sgpcmbeC1.c1,2003,03 2:30:00,30 ,       0,176.6983,12.63707, 35.2829
sgpcmbeC1.c1,2003,03 3:30:00,30 ,       0, 120.048,10.82531,24.47152
sgpcmbeC1.c1,2003,03 4:30:00,30 ,       0,217.1812, 14.9985,41.46743
sgpcmbeC1.c1,2003,03 5:30:00,30 ,       0,262.9709,22.13308,50.64754
sgpcmbeC1.c1,2003,03 6:30:00,30 ,       0,400.1837,49.10845,105.7732
sgpcmbeC1.c1,2003,03 7:30:00,29 ,       0, 247.595,23.83485,51.79389
sgpcmbeC1.c1,2003,03 8:30:00,30 ,       0,299.1387,26.25091,60.00753
sgpcmbeC1.c1,2003,03 9:30:00,31 ,       0,165.9845,23.98082,41.03368
sgpcmbeC1.c1,2003,0310:30:00,31 ,       0,192.6944,28.67037,56.36446
sgpcmbeC1.c1,2003,0311:30:00,31 ,       0,291.8853,29.40481,62.85972
sgpcmbeC1.c1,2003,0312:30:00,30 ,       0,181.5947,20.67419,43.82234
sgpcmbeC1.c1,2003,0313:30:00,30 ,       0,120.9955,14.94852,27.72716
sgpcmbeC1.c1,2003,0314:30:00,30 ,       0,278.1791,21.82455,54.47392
sgpcmbeC1.c1,2003,0315:30:00,30 ,0.028238, 65.6649,8.791938,14.95497
sgpcmbeC1.c1,2003,0316:30:00,30 ,       0,591.4028,25.61118, 107.289
sgpcmbeC1.c1,2003,0317:30:00,31 ,0.117433,231.2182,24.39822,58.94799
sgpcmbeC1.c1,2003,0318:30:00,31 ,0.345383,491.2397, 34.8294,102.6661
sgpcmbeC1.c1,2003,0319:30:00,30 ,0.170144,412.7219,35.68821,102.1588
sgpcmbeC1.c1,2003,0320:30:00,29 ,0.085069,262.1242,15.21055,49.30715
sgpcmbeC1.c1,2003,0321:30:00,29 ,       0,96.43774,10.42959,25.75834
sgpcmbeC1.c1,2003,0322:30:00,30 ,       0,400.5661,32.73538,93.78521
sgpcmbeC1.c1,2003,0323:30:00,30 ,       0,274.0423,18.47844,55.94309