datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2007,02 0:30:00,28 ,0.469411,14.76901,3.486102,2.807405 twpcmbeC1.c1,2007,02 1:30:00,28 ,0.359201,9.466613,3.534787,2.423685 twpcmbeC1.c1,2007,02 2:30:00,28 ,0.308607,11.21713,3.739186,3.002253 twpcmbeC1.c1,2007,02 3:30:00,28 ,0.446034, 12.8291,4.031083,3.288123 twpcmbeC1.c1,2007,02 4:30:00,28 ,0.438133,10.06377,4.648552,2.569668 twpcmbeC1.c1,2007,02 5:30:00,28 ,0.535524,9.504212,2.779317,2.246192 twpcmbeC1.c1,2007,02 6:30:00,28 ,0.539798,7.827646,3.342796,2.151723 twpcmbeC1.c1,2007,02 7:30:00,28 ,0.830623, 7.75101,3.555682,2.070746 twpcmbeC1.c1,2007,02 8:30:00,28 ,0.442234, 8.57765,3.044455,1.923179 twpcmbeC1.c1,2007,02 9:30:00,28 ,0.599444, 10.0483,3.502634,2.718034 twpcmbeC1.c1,2007,0210:30:00,28 ,0.687727,8.431539,3.971971, 2.33744 twpcmbeC1.c1,2007,0211:30:00,28 ,0.686491, 12.2872,4.127546,2.648889 twpcmbeC1.c1,2007,0212:30:00,28 ,0.763106,10.68289, 3.37893, 2.34423 twpcmbeC1.c1,2007,0213:30:00,28 ,0.487094,6.477853,2.761852,1.717666 twpcmbeC1.c1,2007,0214:30:00,28 , 0.45659,8.572406,2.640973,2.171108 twpcmbeC1.c1,2007,0215:30:00,28 ,0.214604,8.959186,2.822079,2.304881 twpcmbeC1.c1,2007,0216:30:00,28 ,0.295175,14.03321,3.168526, 2.8338 twpcmbeC1.c1,2007,0217:30:00,28 ,0.649969,9.993427,4.072678,2.542968 twpcmbeC1.c1,2007,0218:30:00,28 ,0.686714,8.325521,3.110743,2.036104 twpcmbeC1.c1,2007,0219:30:00,28 ,0.623453,9.251718,3.798695, 2.4063 twpcmbeC1.c1,2007,0220:30:00,28 ,0.591322,11.77691, 3.11786,2.650159 twpcmbeC1.c1,2007,0221:30:00,28 ,0.326775,6.593353,2.506805,1.795389 twpcmbeC1.c1,2007,0222:30:00,28 ,0.706894,14.41164,4.213267,3.625127 twpcmbeC1.c1,2007,0223:30:00,28 ,0.501862,8.290467,3.354075,2.482067