datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,02 0:30:00,25 ,       0,1017.735,81.33445,210.0679
sgpcmbeC1.c1,2003,02 1:30:00,25 ,0.003691,626.0187,68.32186,153.6256
sgpcmbeC1.c1,2003,02 2:30:00,25 ,       0,400.6992,48.66231,93.14279
sgpcmbeC1.c1,2003,02 3:30:00,26 ,       0,307.0676,47.08747,74.39863
sgpcmbeC1.c1,2003,02 4:30:00,26 ,       0,546.7054, 57.8051, 108.374
sgpcmbeC1.c1,2003,02 5:30:00,26 ,       0,194.4818,51.41204,61.75598
sgpcmbeC1.c1,2003,02 6:30:00,26 ,       0,287.3961,53.96593,70.48165
sgpcmbeC1.c1,2003,02 7:30:00,26 ,       0,342.4191,54.31784,81.47682
sgpcmbeC1.c1,2003,02 8:30:00,26 ,       0,305.7236,38.71654,66.02478
sgpcmbeC1.c1,2003,02 9:30:00,26 ,       0, 344.243,45.13345,74.28394
sgpcmbeC1.c1,2003,0210:30:00,26 ,       0, 462.617,73.95047,124.3375
sgpcmbeC1.c1,2003,0211:30:00,26 ,       0,506.7956,74.60774,122.4239
sgpcmbeC1.c1,2003,0212:30:00,26 ,       0,629.7617,88.15857,148.9108
sgpcmbeC1.c1,2003,0213:30:00,26 ,       0, 465.734,93.98175,150.0938
sgpcmbeC1.c1,2003,0214:30:00,26 ,0.051183,478.6219,87.11424,140.5874
sgpcmbeC1.c1,2003,0215:30:00,26 ,0.020452,737.7186,84.99058,163.2643
sgpcmbeC1.c1,2003,0216:30:00,25 ,0.065691,974.5938,106.9595,223.9546
sgpcmbeC1.c1,2003,0217:30:00,26 ,0.006885, 668.936,83.43595,149.7839
sgpcmbeC1.c1,2003,0218:30:00,26 ,0.014992,505.9262,81.45373,138.2762
sgpcmbeC1.c1,2003,0219:30:00,26 ,0.009675,584.2515,80.37298, 143.644
sgpcmbeC1.c1,2003,0220:30:00,26 ,0.007033,483.9941,75.18502,123.2703
sgpcmbeC1.c1,2003,0221:30:00,25 ,       0,399.3892,59.30852,102.4071
sgpcmbeC1.c1,2003,0222:30:00,26 ,       0,1430.552,117.8063,291.6258
sgpcmbeC1.c1,2003,0223:30:00,26 ,       0,1360.214,106.4036, 272.002