datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,08 0:30:00,29 ,       0,0.549642,0.028999,0.111362
sgpcmbeC1.c1,2006,08 1:30:00,28 ,       0,1.315532,0.076833,0.279679
sgpcmbeC1.c1,2006,08 2:30:00,29 ,       0,0.894728,0.063066,0.225625
sgpcmbeC1.c1,2006,08 3:30:00,31 ,       0,0.058155,0.001876,0.010445
sgpcmbeC1.c1,2006,08 4:30:00,31 ,       0,0.051177,0.002185,0.009451
sgpcmbeC1.c1,2006,08 5:30:00,31 , 0.00153,11.71107,1.644058,2.284254
sgpcmbeC1.c1,2006,08 6:30:00,31 ,16.13758,109.6997,59.03226,29.58359
sgpcmbeC1.c1,2006,08 7:30:00,31 ,23.24176, 297.163, 206.004,77.70272
sgpcmbeC1.c1,2006,08 8:30:00,31 ,34.17816,507.6283,375.7879,133.0653
sgpcmbeC1.c1,2006,08 9:30:00,31 ,217.2698,693.7145,533.3114,149.0256
sgpcmbeC1.c1,2006,0810:30:00,31 ,224.4272,837.0136,657.9744, 178.703
sgpcmbeC1.c1,2006,0811:30:00,31 ,247.3123,1050.554,748.7669, 210.437
sgpcmbeC1.c1,2006,0812:30:00,31 ,312.3835,1013.496,796.4919,185.3219
sgpcmbeC1.c1,2006,0813:30:00,31 ,196.3309,946.5237,754.4455,173.6477
sgpcmbeC1.c1,2006,0814:30:00,31 ,269.5512,857.3934,677.2772,168.8213
sgpcmbeC1.c1,2006,0815:30:00,31 , 27.4247,726.9971,555.1138, 162.839
sgpcmbeC1.c1,2006,0816:30:00,31 ,11.49132,534.1846,385.0958,125.8254
sgpcmbeC1.c1,2006,0817:30:00,31 ,12.94173,338.5744,227.5696,74.54215
sgpcmbeC1.c1,2006,0818:30:00,31 ,12.62563,127.5008,75.81049,33.83948
sgpcmbeC1.c1,2006,0819:30:00,31 ,0.049705,19.60693, 3.82174,4.312776
sgpcmbeC1.c1,2006,0820:30:00,31 ,       0,1.037528,0.054376,0.191238
sgpcmbeC1.c1,2006,0821:30:00,30 ,       0,0.870521,0.052263,0.178222
sgpcmbeC1.c1,2006,0822:30:00,30 ,       0,0.255033,0.013183,0.050376
sgpcmbeC1.c1,2006,0823:30:00,31 ,       0,1.324265,0.065751,0.245724