datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1996,12 0:30:00,28 ,       0,79.61355,6.245825,15.43661
sgpcmbeC1.c1,1996,12 1:30:00,28 ,       0,68.51562,5.766942,13.53679
sgpcmbeC1.c1,1996,12 2:30:00,28 ,       0,123.7617,7.852075,24.05235
sgpcmbeC1.c1,1996,12 3:30:00,28 ,       0,132.1184,9.437482,27.23152
sgpcmbeC1.c1,1996,12 4:30:00,28 ,       0,114.9429,13.09135,30.41753
sgpcmbeC1.c1,1996,12 5:30:00,28 ,       0,119.5222,14.04559,32.18389
sgpcmbeC1.c1,1996,12 6:30:00,28 ,       0,108.4048,12.21967,24.55854
sgpcmbeC1.c1,1996,12 7:30:00,28 ,       0,109.1752,13.72022,28.14496
sgpcmbeC1.c1,1996,12 8:30:00,27 ,       0,179.5274,19.58806,45.91025
sgpcmbeC1.c1,1996,12 9:30:00,28 ,       0,193.9295,16.38931,44.26976
sgpcmbeC1.c1,1996,1210:30:00,28 ,       0,208.8277,16.60414, 47.2922
sgpcmbeC1.c1,1996,1211:30:00,28 ,       0,166.5115,13.67075,36.69227
sgpcmbeC1.c1,1996,1212:30:00,28 ,       0,168.3734,11.48563,32.55307
sgpcmbeC1.c1,1996,1213:30:00,28 ,       0, 153.228, 9.65445,29.34821
sgpcmbeC1.c1,1996,1214:30:00,28 ,       0,176.8438,9.274086,33.13343
sgpcmbeC1.c1,1996,1215:30:00,28 ,0.008173,169.1607,10.29162, 31.9078
sgpcmbeC1.c1,1996,1216:30:00,28 ,0.014548,140.1029,9.950996,26.05205
sgpcmbeC1.c1,1996,1217:30:00,28 ,       0,138.1489,13.37948,27.69651
sgpcmbeC1.c1,1996,1218:30:00,29 ,0.002408,228.1629,18.07278,50.07611
sgpcmbeC1.c1,1996,1219:30:00,29 ,       0,188.0988,12.73349,36.32988
sgpcmbeC1.c1,1996,1220:30:00,29 ,       0,149.6801,9.279184,27.64383
sgpcmbeC1.c1,1996,1221:30:00,29 ,       0,59.31029,6.375465,13.37839
sgpcmbeC1.c1,1996,1222:30:00,29 ,       0,69.20438,7.503927,15.93512
sgpcmbeC1.c1,1996,1223:30:00,29 ,       0,117.6006,9.883684,24.35562