datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,01 0:30:00,28 ,       0,168.5298, 11.0908,37.96534
sgpcmbeC1.c1,2003,01 1:30:00,28 ,       0,238.7008,16.25335,52.27018
sgpcmbeC1.c1,2003,01 2:30:00,27 ,       0, 161.909,14.89574,37.80345
sgpcmbeC1.c1,2003,01 3:30:00,27 ,       0,126.5804,13.38588, 33.2726
sgpcmbeC1.c1,2003,01 4:30:00,27 ,       0,123.2599,8.816313,25.12921
sgpcmbeC1.c1,2003,01 5:30:00,27 ,       0,151.0832, 12.2359,32.51944
sgpcmbeC1.c1,2003,01 6:30:00,27 ,       0,  159.67, 13.5761,37.67995
sgpcmbeC1.c1,2003,01 7:30:00,27 ,       0,190.5593,12.70102, 39.1234
sgpcmbeC1.c1,2003,01 8:30:00,27 ,       0,193.0755,  12.992,38.61174
sgpcmbeC1.c1,2003,01 9:30:00,27 ,       0,132.3556,16.55118,34.79612
sgpcmbeC1.c1,2003,0110:30:00,27 ,       0,158.7504,17.92085,42.19286
sgpcmbeC1.c1,2003,0111:30:00,27 ,       0,207.4177,16.34234,43.05003
sgpcmbeC1.c1,2003,0112:30:00,27 ,       0,104.0653,10.53685,23.16945
sgpcmbeC1.c1,2003,0113:30:00,27 ,       0,114.0747,10.92153,25.16096
sgpcmbeC1.c1,2003,0114:30:00,27 ,       0, 111.891,11.12433,26.42651
sgpcmbeC1.c1,2003,0115:30:00,27 ,       0,152.3244,17.39057,36.88951
sgpcmbeC1.c1,2003,0116:30:00,27 ,       0, 148.114,16.68795,35.99741
sgpcmbeC1.c1,2003,0117:30:00,27 ,       0,309.6181,21.12722,62.23594
sgpcmbeC1.c1,2003,0118:30:00,28 ,       0,817.9719,37.28898,154.5049
sgpcmbeC1.c1,2003,0119:30:00,28 ,       0,629.8125, 29.3975,119.0288
sgpcmbeC1.c1,2003,0120:30:00,28 ,       0,1265.397,50.09888,238.4458
sgpcmbeC1.c1,2003,0121:30:00,28 ,       0,1200.833,46.26216, 226.354
sgpcmbeC1.c1,2003,0122:30:00,28 ,       0,1142.644, 44.9428,215.4214
sgpcmbeC1.c1,2003,0123:30:00,28 ,       0,853.7619,34.50485,161.3036