datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,03 0:30:00,25 ,       0,1.821621,0.080508,0.364273
sgpcmbeC1.c1,2003,03 1:30:00,25 ,       0,0.254857,0.010304,0.050952
sgpcmbeC1.c1,2003,03 2:30:00,27 ,       0,0.836097,0.031097,0.160882
sgpcmbeC1.c1,2003,03 3:30:00,26 ,       0,0.257788, 0.01306,0.052424
sgpcmbeC1.c1,2003,03 4:30:00,28 ,       0,0.283747,0.010134,0.053623
sgpcmbeC1.c1,2003,03 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,03 6:30:00,31 ,0.026941,15.94311,2.478504,4.788538
sgpcmbeC1.c1,2003,03 7:30:00,31 , 0.01383,  166.09,42.33211,52.97914
sgpcmbeC1.c1,2003,03 8:30:00,31 ,0.069679,380.2509,138.7837,133.4583
sgpcmbeC1.c1,2003,03 9:30:00,31 ,0.133865,578.9456,209.6806,219.7487
sgpcmbeC1.c1,2003,0310:30:00,31 ,0.094849,735.7852, 279.475,286.7288
sgpcmbeC1.c1,2003,0311:30:00,31 ,0.029358,834.3749,336.2519,335.6261
sgpcmbeC1.c1,2003,0312:30:00,31 ,0.080383,866.5679,437.3372,336.1629
sgpcmbeC1.c1,2003,0313:30:00,31 ,0.123703,   833.1, 455.896,318.1396
sgpcmbeC1.c1,2003,0314:30:00,31 ,0.143341,746.5288,388.8781,275.5757
sgpcmbeC1.c1,2003,0315:30:00,31 ,0.026352,594.9095, 296.206,216.8642
sgpcmbeC1.c1,2003,0316:30:00,31 ,0.001778,405.0854,177.1006,147.8969
sgpcmbeC1.c1,2003,0317:30:00,31 ,0.000753,193.4266,73.55603,61.76025
sgpcmbeC1.c1,2003,0318:30:00,31 ,0.166363,27.24328,7.000368,8.070345
sgpcmbeC1.c1,2003,0319:30:00,31 ,       0,2.466897,0.616143,0.849036
sgpcmbeC1.c1,2003,0320:30:00,30 ,       0,1.122775,0.079411, 0.21412
sgpcmbeC1.c1,2003,0321:30:00,28 ,       0,2.796056,0.149463,0.541281
sgpcmbeC1.c1,2003,0322:30:00,27 ,       0,0.973387,0.079197,0.207887
sgpcmbeC1.c1,2003,0323:30:00,26 ,       0,  0.1471, 0.01752,0.042869