datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,01 0:30:00,20 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 1:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 2:30:00,22 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 3:30:00,22 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 4:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 5:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 6:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 7:30:00,29 ,0.103804,27.80214,4.787392,5.882333
sgpcmbeC1.c1,2000,01 8:30:00,29 ,13.04276,129.8598,80.15895,37.98083
sgpcmbeC1.c1,2000,01 9:30:00,29 , 28.9984,333.7113,209.7374,88.24697
sgpcmbeC1.c1,2000,0110:30:00,29 ,45.52692,501.5883,313.0652,127.0427
sgpcmbeC1.c1,2000,0111:30:00,29 ,67.88876,616.0377,393.0273,156.7387
sgpcmbeC1.c1,2000,0112:30:00,29 ,65.30727,664.7227,437.7427,160.3498
sgpcmbeC1.c1,2000,0113:30:00,29 ,69.19677, 643.575,     398,168.8415
sgpcmbeC1.c1,2000,0114:30:00,29 ,33.90807,546.6404,326.2007,145.2506
sgpcmbeC1.c1,2000,0115:30:00,29 ,29.67535,394.2964,225.6516,103.8653
sgpcmbeC1.c1,2000,0116:30:00,29 ,19.31735,179.1476,112.5168,45.00797
sgpcmbeC1.c1,2000,0117:30:00,29 ,1.743259,41.43791,17.72774,8.894934
sgpcmbeC1.c1,2000,0118:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0119:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0120:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0121:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0122:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0123:30:00,22 ,       0,       0,       0,       0