datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,12 0:30:00,28 ,       0,339.6451,28.76218, 76.2343
sgpcmbeC1.c1,2005,12 1:30:00,28 ,       0,430.8185,34.04269,93.58029
sgpcmbeC1.c1,2005,12 2:30:00,28 ,       0,348.9326,30.57761,80.12104
sgpcmbeC1.c1,2005,12 3:30:00,28 ,       0,281.6011,28.29015,67.32807
sgpcmbeC1.c1,2005,12 4:30:00,28 ,       0,218.0768,30.30086,63.50962
sgpcmbeC1.c1,2005,12 5:30:00,27 ,       0,215.9079,27.69222,58.77044
sgpcmbeC1.c1,2005,12 6:30:00,27 ,       0,226.8605,27.20567,55.91508
sgpcmbeC1.c1,2005,12 7:30:00,27 ,       0,221.1441,29.50027, 59.2403
sgpcmbeC1.c1,2005,12 8:30:00,26 ,       0,211.9829,32.60635,55.36476
sgpcmbeC1.c1,2005,12 9:30:00,27 ,       0,136.9153,26.92878,46.93836
sgpcmbeC1.c1,2005,1210:30:00,28 ,       0,104.6005,23.27584,34.77443
sgpcmbeC1.c1,2005,1211:30:00,29 ,       0,267.3119, 28.6089, 57.0469
sgpcmbeC1.c1,2005,1212:30:00,29 ,       0,344.2596,35.84601,75.25309
sgpcmbeC1.c1,2005,1213:30:00,29 ,       0,243.8557,37.69499,74.09732
sgpcmbeC1.c1,2005,1214:30:00,28 ,       0,265.8611,43.39848,79.67448
sgpcmbeC1.c1,2005,1215:30:00,28 ,       0,301.5252,43.63365,84.74863
sgpcmbeC1.c1,2005,1216:30:00,28 ,       0,649.0029,58.81915,134.6819
sgpcmbeC1.c1,2005,1217:30:00,28 ,       0,213.0508,36.97174,65.61984
sgpcmbeC1.c1,2005,1218:30:00,28 ,       0,261.3844,40.93432,73.11331
sgpcmbeC1.c1,2005,1219:30:00,28 ,       0,276.5606,44.89217,82.77444
sgpcmbeC1.c1,2005,1220:30:00,28 ,       0,299.6952,39.55078, 79.9515
sgpcmbeC1.c1,2005,1221:30:00,28 ,       0, 323.527, 32.1359,67.87816
sgpcmbeC1.c1,2005,1222:30:00,28 ,       0,369.4598,27.04121,72.18046
sgpcmbeC1.c1,2005,1223:30:00,28 ,       0,304.7979,27.53173,69.02918