datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,03 0:30:00,31 ,       0, 0.61263,0.079427,0.176883
twpcmbeC1.c1,2004,03 1:30:00,31 ,       0,0.461727,0.043569,0.128817
twpcmbeC1.c1,2004,03 2:30:00,31 ,       0,0.492392,0.044686,0.115047
twpcmbeC1.c1,2004,03 3:30:00,31 ,       0,0.430891,  0.0139, 0.07739
twpcmbeC1.c1,2004,03 4:30:00,31 ,       0,0.339344,0.010947,0.060948
twpcmbeC1.c1,2004,03 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,03 6:30:00,31 ,6.949775,45.29205,23.49922,10.33015
twpcmbeC1.c1,2004,03 7:30:00,31 ,7.786455,123.3859,66.26493,33.70987
twpcmbeC1.c1,2004,03 8:30:00,31 ,11.57755,170.6851,91.69123,46.00243
twpcmbeC1.c1,2004,03 9:30:00,31 ,17.24055, 247.518,121.5075,71.36841
twpcmbeC1.c1,2004,0310:30:00,31 ,17.74582,357.0994,129.4658,90.06781
twpcmbeC1.c1,2004,0311:30:00,31 ,17.60829,387.9352,172.0359,107.9955
twpcmbeC1.c1,2004,0312:30:00,31 ,5.859885,320.6329,136.3439,92.13083
twpcmbeC1.c1,2004,0313:30:00,31 ,8.575094,338.8459,119.2166,92.15113
twpcmbeC1.c1,2004,0314:30:00,31 ,5.431587,314.7167,101.1629,68.70223
twpcmbeC1.c1,2004,0315:30:00,31 ,3.105305,263.1702,99.66855,71.92703
twpcmbeC1.c1,2004,0316:30:00,31 ,3.913668,177.9623,70.95522,54.09931
twpcmbeC1.c1,2004,0317:30:00,31 ,1.481127,95.33942,36.89447,24.83263
twpcmbeC1.c1,2004,0318:30:00,31 ,1.399651,16.69527,7.521098,4.461922
twpcmbeC1.c1,2004,0319:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0320:30:00,31 ,       0,0.162291,0.005235,0.029148
twpcmbeC1.c1,2004,0321:30:00,31 ,       0,0.395152, 0.01679,0.073737
twpcmbeC1.c1,2004,0322:30:00,31 ,       0,0.415167,0.070483,0.137125
twpcmbeC1.c1,2004,0323:30:00,30 ,       0,0.478521,0.082259,0.159848