datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,04 0:30:00,14 ,0.003744,229.0695,30.46144,63.35799
sgpcmbeC1.c1,1999,04 1:30:00,14 ,0.021924,199.1789,42.63575, 68.9809
sgpcmbeC1.c1,1999,04 2:30:00,12 ,       0,119.0015,22.53844,43.85314
sgpcmbeC1.c1,1999,04 3:30:00,12 ,0.000463,122.0029,21.61159,43.05318
sgpcmbeC1.c1,1999,04 4:30:00,12 ,       0,120.2727, 20.3454,44.55444
sgpcmbeC1.c1,1999,04 5:30:00,14 ,       0,257.4226,24.95546,68.76666
sgpcmbeC1.c1,1999,04 6:30:00,14 ,       0,160.2075,25.69906,53.04421
sgpcmbeC1.c1,1999,04 7:30:00,14 ,       0,278.9231,31.69564,73.45328
sgpcmbeC1.c1,1999,04 8:30:00,14 ,       0,125.3818,20.15296,35.62445
sgpcmbeC1.c1,1999,04 9:30:00,14 ,       0,442.3292, 57.0785, 127.257
sgpcmbeC1.c1,1999,0410:30:00,14 ,0.041596,264.8528,43.25022, 80.1895
sgpcmbeC1.c1,1999,0411:30:00,14 ,       0,330.9885,42.89634, 94.0535
sgpcmbeC1.c1,1999,0412:30:00,13 ,0.372813, 342.703,51.44413,97.80274
sgpcmbeC1.c1,1999,0413:30:00,13 ,0.217581, 170.848,45.30872,59.73632
sgpcmbeC1.c1,1999,0414:30:00,14 ,0.235442,419.2105,63.70087,120.2182
sgpcmbeC1.c1,1999,0415:30:00,14 ,0.026662,179.8127,39.35586,68.74208
sgpcmbeC1.c1,1999,0416:30:00,13 ,0.137307,167.8585,32.30535,58.09971
sgpcmbeC1.c1,1999,0417:30:00,13 ,0.171922,127.3504,25.68445,43.20711
sgpcmbeC1.c1,1999,0418:30:00,13 ,       0,160.9227,19.72932,45.63356
sgpcmbeC1.c1,1999,0419:30:00,13 ,       0,322.7962,54.92416,101.0417
sgpcmbeC1.c1,1999,0420:30:00,12 ,       0,168.0797, 19.7969,47.83476
sgpcmbeC1.c1,1999,0421:30:00,12 ,       0,  198.94,22.68827,56.56287
sgpcmbeC1.c1,1999,0422:30:00,13 ,       0,201.7309,38.14477,66.84777
sgpcmbeC1.c1,1999,0423:30:00,13 ,0.344023,115.0348,24.87569,40.82288