datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2002,02 0:30:00,27 ,121.6515,237.1153,161.1524,32.91362
nsacmbeC1.c1,2002,02 1:30:00,27 ,123.0262, 252.471,161.0921,34.10523
nsacmbeC1.c1,2002,02 2:30:00,27 ,123.4848,  258.83, 161.434,  35.718
nsacmbeC1.c1,2002,02 3:30:00,27 ,122.4613,254.3781,158.6278,33.43472
nsacmbeC1.c1,2002,02 4:30:00,27 , 122.433,246.6114, 159.074,31.50179
nsacmbeC1.c1,2002,02 5:30:00,27 ,122.8552,244.2915,158.5919,30.06789
nsacmbeC1.c1,2002,02 6:30:00,27 ,123.1567,240.5335, 157.044,29.20352
nsacmbeC1.c1,2002,02 7:30:00,27 ,123.4191,240.6215,157.8593,28.95868
nsacmbeC1.c1,2002,02 8:30:00,27 , 123.425,253.3493,158.7316, 30.0901
nsacmbeC1.c1,2002,02 9:30:00,27 ,123.8027,261.3142,160.1044,30.02487
nsacmbeC1.c1,2002,0210:30:00,27 ,123.4555,261.7596,160.3633,30.02066
nsacmbeC1.c1,2002,0211:30:00,27 ,123.5472, 255.236,162.4898,30.75316
nsacmbeC1.c1,2002,0212:30:00,27 ,123.6048,244.6262,162.5658,29.71195
nsacmbeC1.c1,2002,0213:30:00,27 ,123.8098,265.4538,163.4629, 31.6731
nsacmbeC1.c1,2002,0214:30:00,27 ,123.7475,243.0856,160.7947,29.91579
nsacmbeC1.c1,2002,0215:30:00,28 ,123.7954,214.4877,159.1133, 27.3986
nsacmbeC1.c1,2002,0216:30:00,27 ,123.7251,240.9735,158.6593,28.54336
nsacmbeC1.c1,2002,0217:30:00,27 , 122.972,249.0093,159.1331,28.93722
nsacmbeC1.c1,2002,0218:30:00,27 ,122.0528,253.5497, 160.198,29.42297
nsacmbeC1.c1,2002,0219:30:00,26 ,121.6997, 247.107,157.8592,29.05704
nsacmbeC1.c1,2002,0220:30:00,26 ,  120.49,244.0215,160.3681,31.92426
nsacmbeC1.c1,2002,0221:30:00,26 ,119.9088,237.4417,159.5844,30.74458
nsacmbeC1.c1,2002,0222:30:00,26 ,120.0937, 244.331,160.8113,34.04826
nsacmbeC1.c1,2002,0223:30:00,26 ,120.7356,260.8717,   161.9,35.14231