datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,12 0:30:00,30 ,0.156242,18.51015,3.239207,4.939732
sgpcmbeC1.c1,1997,12 1:30:00,30 ,0.202133,13.08717,1.877672,2.729519
sgpcmbeC1.c1,1997,12 2:30:00,29 ,0.161852,21.34532,2.587943,4.547819
sgpcmbeC1.c1,1997,12 3:30:00,29 , 0.19543,17.91985,2.536132, 4.24363
sgpcmbeC1.c1,1997,12 4:30:00,29 ,0.143883,13.10272,2.545962,3.822033
sgpcmbeC1.c1,1997,12 5:30:00,29 ,0.199625,  22.911, 3.05278,5.699823
sgpcmbeC1.c1,1997,12 6:30:00,29 ,0.134572,12.40903,1.714455,2.919112
sgpcmbeC1.c1,1997,12 7:30:00,29 ,0.203539,22.69942,2.780584,4.684739
sgpcmbeC1.c1,1997,12 8:30:00,29 ,0.297481,20.38395,2.892228,4.604672
sgpcmbeC1.c1,1997,12 9:30:00,30 ,0.398383,20.99668,3.882757,5.583937
sgpcmbeC1.c1,1997,1210:30:00,30 , 0.41612,9.879957, 2.29198,2.466484
sgpcmbeC1.c1,1997,1211:30:00,29 ,0.373227,27.76694,3.131141, 5.92746
sgpcmbeC1.c1,1997,1212:30:00,29 ,0.259201,13.03489,1.882891,2.414982
sgpcmbeC1.c1,1997,1213:30:00,29 ,0.354888, 24.3932,3.110877,5.365706
sgpcmbeC1.c1,1997,1214:30:00,29 ,0.211609, 13.7185, 2.19373,3.274146
sgpcmbeC1.c1,1997,1215:30:00,29 ,0.335556,19.17839,2.404226,3.917232
sgpcmbeC1.c1,1997,1216:30:00,29 ,0.200117,21.60942,2.784626,4.755967
sgpcmbeC1.c1,1997,1217:30:00,29 , 0.24938,30.13213,3.965926,6.915635
sgpcmbeC1.c1,1997,1218:30:00,29 ,0.291843,36.10323,3.252822,  6.9542
sgpcmbeC1.c1,1997,1219:30:00,31 ,0.208272,10.16355,1.973645,2.747906
sgpcmbeC1.c1,1997,1220:30:00,31 ,0.200599,  11.155,1.795084,2.938947
sgpcmbeC1.c1,1997,1221:30:00,29 ,0.228397,10.30059,1.371345,1.967648
sgpcmbeC1.c1,1997,1222:30:00,29 ,0.195125,23.48591,2.917825,5.200788
sgpcmbeC1.c1,1997,1223:30:00,30 ,0.222464,18.63026,2.754606,4.171765