datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,01 0:30:00,7 ,0.031414,17.97297, 5.58958,  7.2999
sgpcmbeC1.c1,2000,01 1:30:00,7 , 0.02246,17.75179,3.800189,6.302193
sgpcmbeC1.c1,2000,01 2:30:00,7 ,0.002968,236.6051,35.06951,88.88056
sgpcmbeC1.c1,2000,01 3:30:00,7 , 0.03161,687.7954,99.10968,259.5889
sgpcmbeC1.c1,2000,01 4:30:00,7 ,0.002099,388.9081,56.34432, 146.651
sgpcmbeC1.c1,2000,01 5:30:00,7 ,       0,4.004684,1.361093,1.691098
sgpcmbeC1.c1,2000,01 6:30:00,7 ,0.030076,5.426079,1.585812,1.936436
sgpcmbeC1.c1,2000,01 7:30:00,7 ,       0,88.19844,13.56142,32.92728
sgpcmbeC1.c1,2000,01 8:30:00,7 ,       0,804.5416,115.4487,303.8622
sgpcmbeC1.c1,2000,01 9:30:00,6 ,       0,323.9887,54.91307,131.8233
sgpcmbeC1.c1,2000,0110:30:00,6 ,       0,265.8805,45.15339,108.1375
sgpcmbeC1.c1,2000,0111:30:00,6 ,       0,130.7927,22.88085,52.87935
sgpcmbeC1.c1,2000,0112:30:00,6 ,       0, 92.6779,17.51931,36.87841
sgpcmbeC1.c1,2000,0113:30:00,6 ,       0,327.6313,56.07372,133.0453
sgpcmbeC1.c1,2000,0114:30:00,6 ,       0,696.8058, 117.558,283.7775
sgpcmbeC1.c1,2000,0115:30:00,6 ,       0,741.0583,125.6273,301.5129
sgpcmbeC1.c1,2000,0116:30:00,6 ,       0,689.1332,116.8958,280.3491
sgpcmbeC1.c1,2000,0117:30:00,6 ,       0,282.4086, 48.9221,114.4036
sgpcmbeC1.c1,2000,0118:30:00,6 ,       0,157.0226, 27.7839,63.33319
sgpcmbeC1.c1,2000,0119:30:00,6 ,0.024866,172.2986,30.22218,69.61556
sgpcmbeC1.c1,2000,0120:30:00,6 ,0.492351,226.7008,39.23842,91.84494
sgpcmbeC1.c1,2000,0121:30:00,6 ,0.240796,58.37146,10.65399,23.38412
sgpcmbeC1.c1,2000,0122:30:00,6 ,1.214724,56.99725,10.83967,22.61437
sgpcmbeC1.c1,2000,0123:30:00,6 ,0.487666,21.08801,4.724463,8.070731