datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,01 0:30:00,31 ,       0,566.8423,48.04145,117.2711
sgpcmbeC1.c1,2007,01 1:30:00,31 ,       0,451.8834,48.20112,104.5232
sgpcmbeC1.c1,2007,01 2:30:00,31 ,       0,535.3703,46.34959,107.6442
sgpcmbeC1.c1,2007,01 3:30:00,31 ,       0, 532.819,53.50306,115.2139
sgpcmbeC1.c1,2007,01 4:30:00,31 ,       0,474.0516,46.63919,104.7134
sgpcmbeC1.c1,2007,01 5:30:00,31 ,       0,406.2253,58.60785,112.4442
sgpcmbeC1.c1,2007,01 6:30:00,31 ,       0,591.4261, 75.0817,150.5987
sgpcmbeC1.c1,2007,01 7:30:00,31 ,0.005299,578.3458,64.16309,132.7514
sgpcmbeC1.c1,2007,01 8:30:00,31 ,       0,626.6561,68.85113,148.4641
sgpcmbeC1.c1,2007,01 9:30:00,31 ,       0,548.5604,70.42298,146.1867
sgpcmbeC1.c1,2007,0110:30:00,31 ,       0, 1165.11,100.2429,248.5411
sgpcmbeC1.c1,2007,0111:30:00,31 ,0.005752,918.7582,91.66066,215.1027
sgpcmbeC1.c1,2007,0112:30:00,31 ,0.017659,1457.031,  147.35,355.6712
sgpcmbeC1.c1,2007,0113:30:00,31 ,       0,452.3501,67.14029,127.6548
sgpcmbeC1.c1,2007,0114:30:00,31 ,0.019899,312.9388,47.55761,86.50621
sgpcmbeC1.c1,2007,0115:30:00,31 ,0.237561,401.0959,52.46595, 99.3482
sgpcmbeC1.c1,2007,0116:30:00,31 ,0.063477,829.0377,94.64011,210.8529
sgpcmbeC1.c1,2007,0117:30:00,31 ,0.451794,1082.714,84.00714,218.1261
sgpcmbeC1.c1,2007,0118:30:00,31 ,  0.0497,1029.221,62.99986,188.7541
sgpcmbeC1.c1,2007,0119:30:00,31 ,0.040209,957.3114,59.91963,176.8476
sgpcmbeC1.c1,2007,0120:30:00,31 ,0.013351,923.8322,56.84693,169.9643
sgpcmbeC1.c1,2007,0121:30:00,31 ,0.056765,1080.518,61.97943,194.6323
sgpcmbeC1.c1,2007,0122:30:00,31 ,0.007551,808.2079,59.02818,152.3569
sgpcmbeC1.c1,2007,0123:30:00,31 ,0.005044,807.0253,57.55416,154.5049