datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,02 0:30:00,27 ,       0,0.188665,0.040411,0.049694
twpcmbeC1.c1,1997,02 1:30:00,27 ,       0, 0.15859,0.034262,0.039199
twpcmbeC1.c1,1997,02 2:30:00,27 ,       0,0.157657,0.042073,0.046884
twpcmbeC1.c1,1997,02 3:30:00,27 ,       0,0.465967,0.073575,0.099111
twpcmbeC1.c1,1997,02 4:30:00,27 ,       0,0.397871,0.089215,0.111101
twpcmbeC1.c1,1997,02 5:30:00,27 ,       0,0.355497,0.069434,0.100749
twpcmbeC1.c1,1997,02 6:30:00,27 ,3.014069,29.13318,15.26766,5.892237
twpcmbeC1.c1,1997,02 7:30:00,27 ,11.69814,74.39793,29.88739,15.31664
twpcmbeC1.c1,1997,02 8:30:00,28 ,9.244436,79.29516,35.97544,16.36393
twpcmbeC1.c1,1997,02 9:30:00,28 , 6.15128,  90.586,47.13253,22.87727
twpcmbeC1.c1,1997,0210:30:00,28 ,8.017841,133.1388,50.86706,35.07071
twpcmbeC1.c1,1997,0211:30:00,28 ,8.707934,166.2843,77.67328,48.09122
twpcmbeC1.c1,1997,0212:30:00,27 ,7.794808,180.2974,65.96665, 45.4099
twpcmbeC1.c1,1997,0213:30:00,28 ,2.881588,206.7852,61.75818, 41.4619
twpcmbeC1.c1,1997,0214:30:00,28 ,21.97565,182.1088, 57.5318,34.74154
twpcmbeC1.c1,1997,0215:30:00,28 ,10.31499,136.5246,53.49484,29.15928
twpcmbeC1.c1,1997,0216:30:00,27 ,6.195988, 87.2234,30.09575,21.79318
twpcmbeC1.c1,1997,0217:30:00,26 ,1.872477,49.65468, 20.8966,12.93157
twpcmbeC1.c1,1997,0218:30:00,26 ,       0,26.29645,10.40627,  6.1607
twpcmbeC1.c1,1997,0219:30:00,25 ,       0,0.244316,0.034298,0.068521
twpcmbeC1.c1,1997,0220:30:00,26 ,       0,0.224825,  0.0404, 0.06702
twpcmbeC1.c1,1997,0221:30:00,26 ,       0,  0.3178,0.057306,0.078883
twpcmbeC1.c1,1997,0222:30:00,26 ,       0, 0.27226,  0.0606,0.080167
twpcmbeC1.c1,1997,0223:30:00,26 ,       0,0.257871,0.050556,0.068858