datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,08 0:30:00,29 ,       0,114.0089,17.70851,27.09113
sgpcmbeC1.c1,1997,08 1:30:00,29 ,       0,203.8815,23.04079,45.21851
sgpcmbeC1.c1,1997,08 2:30:00,28 ,       0,172.3101,22.04168,40.02331
sgpcmbeC1.c1,1997,08 3:30:00,28 ,       0,490.1293,59.91545,115.8409
sgpcmbeC1.c1,1997,08 4:30:00,29 ,       0,540.3199,63.58239,129.2032
sgpcmbeC1.c1,1997,08 5:30:00,30 ,       0,673.2671,64.25697,135.8592
sgpcmbeC1.c1,1997,08 6:30:00,28 ,       0,252.5766,35.19888,70.55941
sgpcmbeC1.c1,1997,08 7:30:00,29 ,       0,734.9029,65.34683,172.4659
sgpcmbeC1.c1,1997,08 8:30:00,30 ,       0,720.6003,72.56108,159.9883
sgpcmbeC1.c1,1997,08 9:30:00,29 ,       0,808.5067,60.68856,154.6271
sgpcmbeC1.c1,1997,0810:30:00,28 ,       0,133.9476,26.18859,38.49718
sgpcmbeC1.c1,1997,0811:30:00,29 ,       0,150.4067, 21.7915,32.33084
sgpcmbeC1.c1,1997,0812:30:00,29 ,       0,183.2664,28.97853,45.91656
sgpcmbeC1.c1,1997,0813:30:00,29 ,       0,161.0335,27.23767,45.59184
sgpcmbeC1.c1,1997,0814:30:00,29 ,       0,235.3616,25.19463,50.45455
sgpcmbeC1.c1,1997,0815:30:00,28 ,       0,196.7762,25.32448,44.69839
sgpcmbeC1.c1,1997,0816:30:00,28 ,       0,402.1866,33.46197,79.15899
sgpcmbeC1.c1,1997,0817:30:00,29 ,       0,84.80766,11.71673, 18.6382
sgpcmbeC1.c1,1997,0818:30:00,28 ,       0,57.51569,10.39405,14.99089
sgpcmbeC1.c1,1997,0819:30:00,29 ,       0,885.1451,38.18157,163.2706
sgpcmbeC1.c1,1997,0820:30:00,29 ,       0,480.2614, 27.4685,89.18452
sgpcmbeC1.c1,1997,0821:30:00,29 ,       0,722.2952,34.92999,132.6541
sgpcmbeC1.c1,1997,0822:30:00,29 ,       0,689.9548,45.13464,132.5619
sgpcmbeC1.c1,1997,0823:30:00,29 ,       0,253.5626,33.38654,63.49013