datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,04 0:30:00,14 ,0.000318,746.5267,93.19792,206.3998
sgpcmbeC1.c1,1999,04 1:30:00,14 ,0.002626,639.1175,80.70765,171.0141
sgpcmbeC1.c1,1999,04 2:30:00,12 ,       0,180.6507,30.39153,57.95631
sgpcmbeC1.c1,1999,04 3:30:00,12 ,0.000039,110.0897,21.31518,41.60496
sgpcmbeC1.c1,1999,04 4:30:00,12 ,       0,114.0503,17.94264,37.42878
sgpcmbeC1.c1,1999,04 5:30:00,14 ,       0,871.3395,71.40425,231.2989
sgpcmbeC1.c1,1999,04 6:30:00,14 ,       0,730.9312,65.64767,194.2191
sgpcmbeC1.c1,1999,04 7:30:00,14 ,       0,329.8034,49.81361,102.1449
sgpcmbeC1.c1,1999,04 8:30:00,14 ,       0, 514.457,51.84043,135.3421
sgpcmbeC1.c1,1999,04 9:30:00,14 ,       0,1097.234,102.4462,291.0765
sgpcmbeC1.c1,1999,0410:30:00,14 ,0.003528,785.6959,86.48461,213.3234
sgpcmbeC1.c1,1999,0411:30:00,14 ,       0, 1319.52,117.6436,351.0989
sgpcmbeC1.c1,1999,0412:30:00,13 ,0.093411, 424.271,63.75403,127.0182
sgpcmbeC1.c1,1999,0413:30:00,13 ,0.055579,335.7561,74.38499,119.3461
sgpcmbeC1.c1,1999,0414:30:00,14 ,0.039574,335.8871,64.48353,110.9713
sgpcmbeC1.c1,1999,0415:30:00,14 ,0.002253,279.9776,44.33965,79.79782
sgpcmbeC1.c1,1999,0416:30:00,13 ,0.017999, 325.609,43.89406,96.93936
sgpcmbeC1.c1,1999,0417:30:00,13 ,0.026452,350.4573, 44.9948,95.90272
sgpcmbeC1.c1,1999,0418:30:00,13 ,       0,123.1574,23.67028,  43.304
sgpcmbeC1.c1,1999,0419:30:00,13 ,       0,319.8922,55.82908,109.7018
sgpcmbeC1.c1,1999,0420:30:00,12 ,       0,187.7232,21.75638,52.70382
sgpcmbeC1.c1,1999,0421:30:00,12 ,       0,476.6222,45.29839,135.9573
sgpcmbeC1.c1,1999,0422:30:00,13 ,       0,1119.893,123.0685,312.2117
sgpcmbeC1.c1,1999,0423:30:00,13 ,0.056926,817.1397,85.98488,225.0785