datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,02 0:30:00,25 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,02 1:30:00,25 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,02 2:30:00,26 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,02 3:30:00,26 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,02 4:30:00,26 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,02 5:30:00,26 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,02 6:30:00,26 ,       0,0.545108,0.141777,0.166692
twpcmbeC2.c1,2002,02 7:30:00,26 ,1.378172,53.58962,26.66388,13.78107
twpcmbeC2.c1,2002,02 8:30:00,26 ,6.927787,99.49129, 47.0522,25.77237
twpcmbeC2.c1,2002,02 9:30:00,26 ,3.801772,88.35533,46.45573,21.39182
twpcmbeC2.c1,2002,0210:30:00,27 ,6.518288,126.7828,41.54052,23.83001
twpcmbeC2.c1,2002,0211:30:00,27 ,18.77297,129.8326,53.01284,26.97286
twpcmbeC2.c1,2002,0212:30:00,26 ,15.68079,169.8682,62.40614,39.67786
twpcmbeC2.c1,2002,0213:30:00,26 , 14.7364, 185.217,63.15333,41.93904
twpcmbeC2.c1,2002,0214:30:00,26 ,8.062877,124.9938,52.58121,33.51938
twpcmbeC2.c1,2002,0215:30:00,26 ,2.103113, 224.079,65.72504,63.68944
twpcmbeC2.c1,2002,0216:30:00,26 ,3.257456,82.67503,34.51094,23.31425
twpcmbeC2.c1,2002,0217:30:00,26 ,3.698091, 91.6388,30.98253,24.30821
twpcmbeC2.c1,2002,0218:30:00,26 ,6.030753,43.67569,27.03877,11.59596
twpcmbeC2.c1,2002,0219:30:00,26 ,0.341006,6.093358,2.598886,1.680168
twpcmbeC2.c1,2002,0220:30:00,26 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0221:30:00,26 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0222:30:00,25 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0223:30:00,26 ,       0,       0,       0,       0