datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2005,02 0:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,02 1:30:00,28 ,       0,0.005799,0.000207,0.001096
twpcmbeC1.c1,2005,02 2:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,02 3:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,02 4:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,02 5:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,02 6:30:00,28 ,5.191354,39.24174,17.04993,7.661639
twpcmbeC1.c1,2005,02 7:30:00,28 ,6.498641, 53.9656,30.02857,13.26854
twpcmbeC1.c1,2005,02 8:30:00,28 ,8.292006,98.74715,48.65049,25.66223
twpcmbeC1.c1,2005,02 9:30:00,28 ,17.35142,136.0063,60.53646,28.95519
twpcmbeC1.c1,2005,0210:30:00,28 , 11.3292,111.9906,56.58073,26.91514
twpcmbeC1.c1,2005,0211:30:00,28 ,17.66028,117.8504,61.54882,27.67153
twpcmbeC1.c1,2005,0212:30:00,28 ,14.48676,103.5487,60.51697,22.58146
twpcmbeC1.c1,2005,0213:30:00,28 ,4.650382,156.1099,59.87629,30.57682
twpcmbeC1.c1,2005,0214:30:00,28 ,4.585295,  138.72,59.13673,39.94941
twpcmbeC1.c1,2005,0215:30:00,28 ,3.221065, 97.8194,42.23661,27.75757
twpcmbeC1.c1,2005,0216:30:00,28 ,1.707962,60.57573,29.56114, 16.8084
twpcmbeC1.c1,2005,0217:30:00,28 ,4.605589,55.48507,23.81956,13.41649
twpcmbeC1.c1,2005,0218:30:00,28 , 1.64759,18.86395,9.853677, 4.51035
twpcmbeC1.c1,2005,0219:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,0220:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,0221:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,0222:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,0223:30:00,28 ,       0,       0,       0,       0