datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,05 0:30:00,28 ,       0,256.7923,34.23885,69.74534
sgpcmbeC1.c1,1999,05 1:30:00,27 ,0.008347,211.6693,21.65516,49.61044
sgpcmbeC1.c1,1999,05 2:30:00,27 ,       0,247.4086,42.32989,69.69437
sgpcmbeC1.c1,1999,05 3:30:00,26 ,       0,463.5328,59.32465,119.3888
sgpcmbeC1.c1,1999,05 4:30:00,24 ,       0,  705.34,60.09693,154.9926
sgpcmbeC1.c1,1999,05 5:30:00,24 ,       0,704.5912,55.39017,153.5732
sgpcmbeC1.c1,1999,05 6:30:00,24 ,       0,1183.675,79.19303,240.2638
sgpcmbeC1.c1,1999,05 7:30:00,27 ,       0,478.5455,46.68694,102.6859
sgpcmbeC1.c1,1999,05 8:30:00,27 ,       0,438.0796,60.22914,122.3414
sgpcmbeC1.c1,1999,05 9:30:00,26 ,       0,853.3392,63.15047,176.4842
sgpcmbeC1.c1,1999,0510:30:00,25 ,       0,389.7875,33.01927, 82.9265
sgpcmbeC1.c1,1999,0511:30:00,25 ,       0,323.7495,41.14247,86.11208
sgpcmbeC1.c1,1999,0512:30:00,25 ,       0, 772.908,52.71337,154.7666
sgpcmbeC1.c1,1999,0513:30:00,26 ,       0,717.4765,44.40662,139.6069
sgpcmbeC1.c1,1999,0514:30:00,26 ,       0,346.7795,31.99297,69.00181
sgpcmbeC1.c1,1999,0515:30:00,27 ,       0,479.0517,50.47217,116.9725
sgpcmbeC1.c1,1999,0516:30:00,27 ,       0,500.0019,46.38986,108.0539
sgpcmbeC1.c1,1999,0517:30:00,27 ,       0,392.2073,39.21916,88.40469
sgpcmbeC1.c1,1999,0518:30:00,29 ,0.020007,126.2252,17.20487,29.67225
sgpcmbeC1.c1,1999,0519:30:00,29 ,0.171637,145.4568,23.47722,32.63666
sgpcmbeC1.c1,1999,0520:30:00,29 ,0.055759,557.5555,47.05411,116.7755
sgpcmbeC1.c1,1999,0521:30:00,29 ,0.003755,694.0864,64.40037,175.6568
sgpcmbeC1.c1,1999,0522:30:00,27 ,       0,380.8035,31.31904,83.59638
sgpcmbeC1.c1,1999,0523:30:00,27 ,       0,335.8935,36.68766,87.33994