datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,12 0:30:00,23 ,       0,0.304656,0.013246,0.063525
sgpcmbeC1.c1,1998,12 1:30:00,24 ,       0,0.213769,0.008907,0.043635
sgpcmbeC1.c1,1998,12 2:30:00,25 ,       0,0.290359,0.011614,0.058072
sgpcmbeC1.c1,1998,12 3:30:00,25 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,12 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,12 5:30:00,28 ,       0,0.026169,0.000935,0.004945
sgpcmbeC1.c1,1998,12 6:30:00,29 ,       0,0.070946,0.002446,0.013174
sgpcmbeC1.c1,1998,12 7:30:00,29 ,0.008329,  12.444,2.982689,3.401915
sgpcmbeC1.c1,1998,12 8:30:00,29 , 0.06962,58.38176,25.10388,19.72556
sgpcmbeC1.c1,1998,12 9:30:00,29 ,0.056492, 93.7455,33.31262,24.36495
sgpcmbeC1.c1,1998,1210:30:00,28 ,0.053352, 139.644,43.26995,37.82984
sgpcmbeC1.c1,1998,1211:30:00,29 ,0.024874,165.2962,37.22648,44.67664
sgpcmbeC1.c1,1998,1212:30:00,28 ,       0,113.5617,23.10716,32.47129
sgpcmbeC1.c1,1998,1213:30:00,27 ,0.060838, 129.906, 31.2149,37.68149
sgpcmbeC1.c1,1998,1214:30:00,27 ,0.038954,107.8668,32.03228,26.68598
sgpcmbeC1.c1,1998,1215:30:00,27 ,0.028398,79.62035,33.70036,23.84602
sgpcmbeC1.c1,1998,1216:30:00,28 , 0.00963,  41.679,22.15059,17.27866
sgpcmbeC1.c1,1998,1217:30:00,27 ,       0,4.475019,1.079083,1.265801
sgpcmbeC1.c1,1998,1218:30:00,27 ,       0,0.345347,0.012791,0.066462
sgpcmbeC1.c1,1998,1219:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,1220:30:00,25 ,       0,0.186498, 0.00746,  0.0373
sgpcmbeC1.c1,1998,1221:30:00,26 ,       0,0.260822,0.010032,0.051151
sgpcmbeC1.c1,1998,1222:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,1223:30:00,25 ,       0,0.280943,0.011238,0.056189