datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2003,02 0:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,02 1:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,02 2:30:00,27 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,02 3:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,02 4:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,02 5:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,02 6:30:00,28 ,       0,0.665767, 0.17111,  0.1888
twpcmbeC2.c1,2003,02 7:30:00,28 ,       0,40.79734,21.27675,9.450072
twpcmbeC2.c1,2003,02 8:30:00,28 ,1.135148,58.62474,24.05341,15.42424
twpcmbeC2.c1,2003,02 9:30:00,28 ,2.164941,116.3618,30.93453,25.42425
twpcmbeC2.c1,2003,0210:30:00,28 ,3.177259,76.63757,31.00304,19.73428
twpcmbeC2.c1,2003,0211:30:00,28 ,2.964957,174.0938, 52.1616,41.89281
twpcmbeC2.c1,2003,0212:30:00,28 , 4.02772,156.6386,58.24926,38.59286
twpcmbeC2.c1,2003,0213:30:00,28 ,2.750733,228.6627, 58.6732,45.35211
twpcmbeC2.c1,2003,0214:30:00,28 ,8.140141,254.9868,67.42317,57.54907
twpcmbeC2.c1,2003,0215:30:00,28 ,3.807475,166.7605,45.00953,37.77584
twpcmbeC2.c1,2003,0216:30:00,28 ,2.935355,96.86366,  36.154,25.79335
twpcmbeC2.c1,2003,0217:30:00,28 ,4.493039,110.8906,31.96058,22.05724
twpcmbeC2.c1,2003,0218:30:00,28 ,8.253906,44.33523,26.72766,10.39586
twpcmbeC2.c1,2003,0219:30:00,28 ,0.217118,5.319289,2.785506,1.358079
twpcmbeC2.c1,2003,0220:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,0221:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,0222:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,0223:30:00,28 ,       0,       0,       0,       0