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 ,       0,7.580004,0.301567,1.400496
sgpcmbeC1.c1,2000,11 7:30:00,30 ,2.317693,48.96607,21.12591, 13.9326
sgpcmbeC1.c1,2000,11 8:30:00,30 ,2.631728,79.89793,38.84373,21.43716
sgpcmbeC1.c1,2000,11 9:30:00,30 ,4.545777,121.8612,44.20855, 24.0696
sgpcmbeC1.c1,2000,1110:30:00,30 ,4.340825,139.4101,44.13934,34.57172
sgpcmbeC1.c1,2000,1111:30:00,30 ,10.87796,152.2264,34.44137,34.12542
sgpcmbeC1.c1,2000,1112:30:00,30 ,3.219109,276.9395,40.18021, 57.3366
sgpcmbeC1.c1,2000,1113:30:00,30 ,4.942706,133.8987,40.11534, 32.4052
sgpcmbeC1.c1,2000,1114:30:00,30 ,4.589483,168.0429, 43.0789,30.82592
sgpcmbeC1.c1,2000,1115:30:00,30 , 3.48507,85.22507, 43.4273,20.01999
sgpcmbeC1.c1,2000,1116:30:00,30 ,2.651987, 61.2317,36.58795,19.28678
sgpcmbeC1.c1,2000,1117:30:00,30 ,       0,22.48668,7.615372,5.005469
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