datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,11 0:30:00,17 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 1:30:00,14 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 2:30:00,14 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 3:30:00,15 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 4:30:00,16 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 5:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 6:30:00,30 ,       0,0.017913,0.000601, 0.00327
sgpcmbeC1.c1,2000,11 7:30:00,30 ,0.001288,56.16274,10.59624,14.56092
sgpcmbeC1.c1,2000,11 8:30:00,30 ,0.010357,222.4313,71.99057,75.96121
sgpcmbeC1.c1,2000,11 9:30:00,30 ,0.070499, 384.648,152.3698,142.4833
sgpcmbeC1.c1,2000,1110:30:00,30 ,0.181809,506.1068,224.7847,199.8821
sgpcmbeC1.c1,2000,1111:30:00,30 ,       0,578.5812,275.5286,236.1112
sgpcmbeC1.c1,2000,1112:30:00,30 ,0.306675,586.1225,290.5432,243.4066
sgpcmbeC1.c1,2000,1113:30:00,30 ,0.003441,532.9385,267.6865,222.6151
sgpcmbeC1.c1,2000,1114:30:00,30 ,0.006531,429.3611,223.0055, 177.506
sgpcmbeC1.c1,2000,1115:30:00,30 ,0.001923,302.6145,132.1786,116.3187
sgpcmbeC1.c1,2000,1116:30:00,30 ,0.000572,133.5438, 43.4814,41.14462
sgpcmbeC1.c1,2000,1117:30:00,30 ,       0,14.20049,1.301231, 2.68449
sgpcmbeC1.c1,2000,1118:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1119:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1120:30:00,24 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1121:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1122:30:00,19 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1123:30:00,16 ,       0,       0,       0,       0