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 ,       0,0.573078,0.019103,0.104629
sgpcmbeC1.c1,2000,11 7:30:00,30 , 0.07996,19.69305,5.797766,5.282798
sgpcmbeC1.c1,2000,11 8:30:00,30 ,1.636016, 77.0956,26.83882,19.13076
sgpcmbeC1.c1,2000,11 9:30:00,30 ,4.372592,122.0923, 49.3097,30.71595
sgpcmbeC1.c1,2000,1110:30:00,30 ,6.083471,141.1678,67.10061,40.05293
sgpcmbeC1.c1,2000,1111:30:00,30 ,8.855078,134.2719,77.07164,42.56267
sgpcmbeC1.c1,2000,1112:30:00,30 ,7.478658,118.6427,80.75355,39.49115
sgpcmbeC1.c1,2000,1113:30:00,30 ,4.157155,111.9383,73.85048,39.65025
sgpcmbeC1.c1,2000,1114:30:00,30 ,2.831991,93.32565,62.72219,33.10485
sgpcmbeC1.c1,2000,1115:30:00,30 , 2.30125,67.94302,40.98238,24.02641
sgpcmbeC1.c1,2000,1116:30:00,30 ,0.851313, 35.3041,17.19359,10.31683
sgpcmbeC1.c1,2000,1117:30:00,30 ,       0,4.097553,0.853622,0.927211
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