datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,12 0:30:00,31 ,       0,0.007921,0.000256,0.001423
twpcmbeC1.c1,2006,12 1:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,12 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,12 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,12 4:30:00,31 ,       0,0.034136,0.001101,0.006131
twpcmbeC1.c1,2006,12 5:30:00,31 ,       0,0.885184,0.231748,0.233907
twpcmbeC1.c1,2006,12 6:30:00,31 ,13.17046,73.24146,36.87293,11.81808
twpcmbeC1.c1,2006,12 7:30:00,31 ,16.02103,  220.97,117.3823,41.68975
twpcmbeC1.c1,2006,12 8:30:00,31 ,21.63832,375.0429,184.9018,77.11392
twpcmbeC1.c1,2006,12 9:30:00,31 ,64.95678,449.7227, 244.142,84.48109
twpcmbeC1.c1,2006,1210:30:00,31 ,53.19023,495.2949, 284.676,119.5744
twpcmbeC1.c1,2006,1211:30:00,31 ,79.12349,567.1801,287.6416,125.3469
twpcmbeC1.c1,2006,1212:30:00,31 ,75.79196,524.0007,288.1921,117.6474
twpcmbeC1.c1,2006,1213:30:00,31 ,72.57158,500.3602,286.5919,91.06591
twpcmbeC1.c1,2006,1214:30:00,31 ,53.94427,408.6883,251.4728,89.70448
twpcmbeC1.c1,2006,1215:30:00,31 ,60.54514,370.8757, 203.136,81.27894
twpcmbeC1.c1,2006,1216:30:00,31 ,9.975844,291.5738,138.4385,60.09103
twpcmbeC1.c1,2006,1217:30:00,31 ,14.60514,117.8864,54.99251, 24.3274
twpcmbeC1.c1,2006,1218:30:00,31 ,0.413454,9.355577,3.336613,2.164337
twpcmbeC1.c1,2006,1219:30:00,31 ,       0,0.002861,0.000092,0.000514
twpcmbeC1.c1,2006,1220:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,1221:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,1222:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,1223:30:00,31 ,       0,0.067857,0.002271,0.012181