datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,1998,12 0:30:00,30 ,       0,0.462941,0.070882,0.147334
twpcmbeC2.c1,1998,12 1:30:00,30 ,       0,0.337142,0.030969,0.088987
twpcmbeC2.c1,1998,12 2:30:00,30 ,       0,0.572767,0.075917,0.151566
twpcmbeC2.c1,1998,12 3:30:00,30 ,       0,0.393918, 0.09179,0.156276
twpcmbeC2.c1,1998,12 4:30:00,30 ,       0,0.352658,0.077867,0.134289
twpcmbeC2.c1,1998,12 5:30:00,30 ,       0,0.926972,0.114626,0.227801
twpcmbeC2.c1,1998,12 6:30:00,30 ,0.208736,10.63886,5.412073,2.436268
twpcmbeC2.c1,1998,12 7:30:00,30 ,4.750358,101.0481,62.71363,23.04815
twpcmbeC2.c1,1998,12 8:30:00,30 ,14.50722,171.4492,93.92317,39.87969
twpcmbeC2.c1,1998,12 9:30:00,30 , 14.2472,207.5343,122.4009,52.08073
twpcmbeC2.c1,1998,1210:30:00,30 ,4.519676,291.3713,152.0413,70.80201
twpcmbeC2.c1,1998,1211:30:00,30 ,17.38547,358.9423,167.8902,97.67604
twpcmbeC2.c1,1998,1212:30:00,30 ,11.39818,326.5205,178.1082,96.62299
twpcmbeC2.c1,1998,1213:30:00,30 ,21.12913,385.3474,192.6856,100.7324
twpcmbeC2.c1,1998,1214:30:00,30 ,32.75774,332.7044,174.1528,77.96184
twpcmbeC2.c1,1998,1215:30:00,30 ,54.13353,254.8201,147.5719,62.44463
twpcmbeC2.c1,1998,1216:30:00,30 ,35.58734,182.1316,115.4792,40.86265
twpcmbeC2.c1,1998,1217:30:00,30 ,16.08714,147.2327,75.73051,27.01703
twpcmbeC2.c1,1998,1218:30:00,30 ,  14.127,60.58877,33.87401,12.04985
twpcmbeC2.c1,1998,1219:30:00,30 ,       0, 2.39455,0.287243,0.446844
twpcmbeC2.c1,1998,1220:30:00,30 ,       0,0.147907,0.011827,0.038066
twpcmbeC2.c1,1998,1221:30:00,30 ,       0,0.238645,0.028897,0.070447
twpcmbeC2.c1,1998,1222:30:00,30 ,       0, 0.50155,0.078455,0.160578
twpcmbeC2.c1,1998,1223:30:00,30 ,       0,0.422438,0.073261,0.128653