datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,12 0:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 1:30:00,12 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 2:30:00,12 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 3:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 4:30:00,15 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 5:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 6:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 7:30:00,30 ,0.016744,10.23624,1.943722,2.926539
sgpcmbeC1.c1,2000,12 8:30:00,30 ,0.052063,56.63362,21.39301,20.92539
sgpcmbeC1.c1,2000,12 9:30:00,30 ,0.089003,84.69781,28.00849,23.57335
sgpcmbeC1.c1,2000,1210:30:00,30 ,0.057465,160.0819,39.03656,44.74487
sgpcmbeC1.c1,2000,1211:30:00,29 ,0.104764, 157.511, 43.7703, 47.9549
sgpcmbeC1.c1,2000,1212:30:00,30 ,       0,171.2016,31.51705,49.64347
sgpcmbeC1.c1,2000,1213:30:00,29 ,       0,144.4961,40.64199,43.77704
sgpcmbeC1.c1,2000,1214:30:00,29 ,       0,133.5714,38.37954,36.90196
sgpcmbeC1.c1,2000,1215:30:00,29 , 0.08229,112.6626, 28.5433,27.61132
sgpcmbeC1.c1,2000,1216:30:00,29 ,       0, 49.0907,18.77482,17.46447
sgpcmbeC1.c1,2000,1217:30:00,29 ,       0,2.957563,0.692358, 0.93947
sgpcmbeC1.c1,2000,1218:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1219:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1220:30:00,18 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1221:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1222:30:00,9 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1223:30:00,13 ,       0,       0,       0,       0