datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,07 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 3:30:00,31 ,       0,0.026352, 0.00085,0.004733
sgpcmbeC1.c1,2000,07 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 5:30:00,31 ,       0,7.371179,2.930695,2.199139
sgpcmbeC1.c1,2000,07 6:30:00,31 ,1.562197,47.77642, 26.3017,15.40135
sgpcmbeC1.c1,2000,07 7:30:00,31 ,2.083217,88.65469,  56.268,30.09557
sgpcmbeC1.c1,2000,07 8:30:00,31 ,0.358744,127.2133,89.37115,40.86899
sgpcmbeC1.c1,2000,07 9:30:00,31 , 2.09068,156.0148,119.6868,40.96763
sgpcmbeC1.c1,2000,0710:30:00,31 ,17.25582,175.4468,   146.6,37.73893
sgpcmbeC1.c1,2000,0711:30:00,31 ,67.88927,192.0222,164.8072, 27.5398
sgpcmbeC1.c1,2000,0712:30:00,31 ,89.74308,195.3633,172.8736,24.61175
sgpcmbeC1.c1,2000,0713:30:00,31 ,72.99665,192.2849,165.5437,27.09755
sgpcmbeC1.c1,2000,0714:30:00,31 ,39.42939,179.2547,151.0926,38.37622
sgpcmbeC1.c1,2000,0715:30:00,31 ,6.158528,156.8546,133.1495,35.73145
sgpcmbeC1.c1,2000,0716:30:00,31 ,16.52783, 128.931,108.4259,28.19906
sgpcmbeC1.c1,2000,0717:30:00,31 ,27.18058,94.55698,80.54208,13.85297
sgpcmbeC1.c1,2000,0718:30:00,31 ,11.74731,61.28655,40.24553,10.71425
sgpcmbeC1.c1,2000,0719:30:00,31 ,0.102637,11.76811,6.442269,3.422216
sgpcmbeC1.c1,2000,0720:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0722:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0723:30:00,31 ,       0,       0,       0,       0