datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,01 0:30:00,31 ,       0,  931.94,99.42288, 217.179
sgpcmbeC1.c1,1999,01 1:30:00,31 ,0.020882,405.4914, 75.2754,120.0632
sgpcmbeC1.c1,1999,01 2:30:00,31 ,0.005514,664.3161,96.54215,170.3873
sgpcmbeC1.c1,1999,01 3:30:00,30 ,0.073125,1248.761,93.55699,239.8273
sgpcmbeC1.c1,1999,01 4:30:00,30 ,       0,548.8591,71.81182,139.5362
sgpcmbeC1.c1,1999,01 5:30:00,30 ,       0, 840.602,87.09784,189.4053
sgpcmbeC1.c1,1999,01 6:30:00,30 ,       0,1167.733,118.3665, 291.214
sgpcmbeC1.c1,1999,01 7:30:00,31 ,       0,1536.673,152.2833,344.6298
sgpcmbeC1.c1,1999,01 8:30:00,30 ,       0,1407.456,138.0639,308.8653
sgpcmbeC1.c1,1999,01 9:30:00,29 ,       0,819.9738,93.03009,193.4669
sgpcmbeC1.c1,1999,0110:30:00,30 ,       0,1483.765,122.6221,295.5102
sgpcmbeC1.c1,1999,0111:30:00,30 ,       0,1405.615,111.0555,279.8621
sgpcmbeC1.c1,1999,0112:30:00,29 ,       0,  478.46,55.76211,106.7459
sgpcmbeC1.c1,1999,0113:30:00,28 ,       0,423.8893,58.00659,118.4692
sgpcmbeC1.c1,1999,0114:30:00,27 ,       0,507.6476, 64.4076,132.9087
sgpcmbeC1.c1,1999,0115:30:00,27 ,       0,972.5428,78.13368,199.7796
sgpcmbeC1.c1,1999,0116:30:00,29 ,       0,1001.726,106.9673,239.4658
sgpcmbeC1.c1,1999,0117:30:00,30 ,       0,1709.168,112.6162,324.6222
sgpcmbeC1.c1,1999,0118:30:00,31 ,       0,1172.754,111.3856,271.8364
sgpcmbeC1.c1,1999,0119:30:00,31 ,       0,1194.713, 109.079,268.1523
sgpcmbeC1.c1,1999,0120:30:00,30 ,0.107307,1275.945,88.37168,244.7743
sgpcmbeC1.c1,1999,0121:30:00,31 ,0.298477,886.4712,90.52511,180.6464
sgpcmbeC1.c1,1999,0122:30:00,31 ,0.297411,698.3961,98.85016,198.5325
sgpcmbeC1.c1,1999,0123:30:00,31 ,       0,815.8395,99.16874,211.2008