datastream, year, month, tod,n, min, max, mean, std
twpcmbeC3.c1,2002,12 0:00:00,31 ,       0,0.001291,0.000042,0.000232
twpcmbeC3.c1,2002,12 1:00:00,30 ,       0,0.009579,0.000319,0.001749
twpcmbeC3.c1,2002,12 2:00:00,31 ,       0,0.001474,0.000048,0.000265
twpcmbeC3.c1,2002,12 3:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,12 4:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,12 5:00:00,30 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,12 6:00:00,31 ,       0,8.979457,3.785423,2.029728
twpcmbeC3.c1,2002,12 7:00:00,31 ,10.73803,50.87754,23.31154,9.045423
twpcmbeC3.c1,2002,12 8:00:00,31 ,5.499674,67.37815,28.06313,19.43421
twpcmbeC3.c1,2002,12 9:00:00,31 ,  2.6866,71.18889,35.12482,18.46148
twpcmbeC3.c1,2002,1210:00:00,31 ,2.295149,134.7906,41.13177,24.93573
twpcmbeC3.c1,2002,1211:00:00,31 ,15.78269,95.55938,50.39916,23.74918
twpcmbeC3.c1,2002,1212:00:00,31 , 7.88191,100.9345,49.08876,25.40316
twpcmbeC3.c1,2002,1213:00:00,31 ,3.863705,114.1572,   46.76,28.70005
twpcmbeC3.c1,2002,1214:00:00,31 ,1.180463,115.0369, 43.0334,30.52629
twpcmbeC3.c1,2002,1215:00:00,31 ,1.635907,104.8912,37.11974,27.02572
twpcmbeC3.c1,2002,1216:00:00,31 ,1.057711,69.63845,29.15319,17.05156
twpcmbeC3.c1,2002,1217:00:00,31 ,1.934857,77.96027,24.12206, 22.8856
twpcmbeC3.c1,2002,1218:00:00,31 ,5.572711,41.57566,20.27835,9.579447
twpcmbeC3.c1,2002,1219:00:00,31 ,1.379279,29.23493,14.96938,6.214795
twpcmbeC3.c1,2002,1220:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,1221:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,1222:00:00,31 ,       0,0.016442,0.000578,0.002956
twpcmbeC3.c1,2002,1223:00:00,31 ,       0,       0,       0,       0