datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,11 0:30:00,19 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 1:30:00,22 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 2:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 3:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 4:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 5:30:00,20 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 6:30:00,25 ,       0,0.737872,0.039075,0.151951
sgpcmbeC1.c1,2005,11 7:30:00,30 ,0.014077, 39.1523, 16.7916,11.72652
sgpcmbeC1.c1,2005,11 8:30:00,29 ,0.015878,59.52074,40.98974,16.05853
sgpcmbeC1.c1,2005,11 9:30:00,29 ,0.025306,149.8731,45.47536,28.14684
sgpcmbeC1.c1,2005,1110:30:00,30 ,0.070335,165.1676,53.84732,41.64674
sgpcmbeC1.c1,2005,1111:30:00,30 ,0.074363,185.0704,36.85215,48.04559
sgpcmbeC1.c1,2005,1112:30:00,30 ,0.112274,202.1698,41.68824,59.86584
sgpcmbeC1.c1,2005,1113:30:00,30 , 0.08862,170.5271,48.83196,42.52998
sgpcmbeC1.c1,2005,1114:30:00,30 ,0.104872,158.6984,51.64975,36.16281
sgpcmbeC1.c1,2005,1115:30:00,30 ,0.001424,108.7511,46.40469,25.40541
sgpcmbeC1.c1,2005,1116:30:00,30 ,0.003452,49.08126,29.89787,16.83628
sgpcmbeC1.c1,2005,1117:30:00,30 ,       0,9.496918,2.571744,2.374376
sgpcmbeC1.c1,2005,1118:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1119:30:00,20 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1120:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1121:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1122:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1123:30:00,22 ,       0,       0,       0,       0