datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,02 0:30:00,26 ,       0,1316.102,128.8904, 291.373
sgpcmbeC1.c1,2004,02 1:30:00,26 ,       0,616.6608,92.51138,181.7946
sgpcmbeC1.c1,2004,02 2:30:00,26 ,       0,531.1527,73.95021,137.3201
sgpcmbeC1.c1,2004,02 3:30:00,26 ,       0,593.8108,70.76744, 141.304
sgpcmbeC1.c1,2004,02 4:30:00,26 ,       0,625.5717,66.39369,141.0923
sgpcmbeC1.c1,2004,02 5:30:00,26 ,       0,762.3525,73.57183,178.0736
sgpcmbeC1.c1,2004,02 6:30:00,26 ,       0,1313.247, 85.5695,260.9932
sgpcmbeC1.c1,2004,02 7:30:00,26 ,       0,  1552.5,85.46942,302.5604
sgpcmbeC1.c1,2004,02 8:30:00,26 ,       0,1410.232,100.4635,290.5484
sgpcmbeC1.c1,2004,02 9:30:00,26 ,       0,1440.569,84.33176,286.1362
sgpcmbeC1.c1,2004,0210:30:00,27 ,       0, 1245.63,108.0828,282.5253
sgpcmbeC1.c1,2004,0211:30:00,27 ,       0,1254.546,112.9136,280.6862
sgpcmbeC1.c1,2004,0212:30:00,27 ,       0,1485.605, 127.036, 333.396
sgpcmbeC1.c1,2004,0213:30:00,27 ,       0, 1508.79,106.2634,321.8966
sgpcmbeC1.c1,2004,0214:30:00,27 ,       0,1932.449,119.6826,393.5592
sgpcmbeC1.c1,2004,0215:30:00,26 ,       0,379.0742,25.68742,76.35399
sgpcmbeC1.c1,2004,0216:30:00,26 ,       0,293.0559,21.80096,58.05769
sgpcmbeC1.c1,2004,0217:30:00,27 ,       0,1282.824,72.03597,252.2185
sgpcmbeC1.c1,2004,0218:30:00,26 ,       0,686.5241,56.99337,147.2104
sgpcmbeC1.c1,2004,0219:30:00,26 ,       0,  694.29,56.24715,143.9852
sgpcmbeC1.c1,2004,0220:30:00,26 ,       0,371.0834,36.29156,85.92957
sgpcmbeC1.c1,2004,0221:30:00,26 ,       0,348.6139,39.35252,89.17703
sgpcmbeC1.c1,2004,0222:30:00,26 ,       0,921.6929,87.20976,211.0411
sgpcmbeC1.c1,2004,0223:30:00,26 ,       0,1091.456,126.6612,286.0076