datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,08 0:30:00,30 ,       0,0.044608,0.001487,0.008144
sgpcmbeC1.c1,1998,08 1:30:00,30 ,       0,0.121085,0.004036,0.022107
sgpcmbeC1.c1,1998,08 2:30:00,30 ,       0,0.022638,0.000782,0.004131
sgpcmbeC1.c1,1998,08 3:30:00,30 ,       0,0.038856,0.001295,0.007094
sgpcmbeC1.c1,1998,08 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,08 5:30:00,30 ,       0,2.096322,0.453767,0.521537
sgpcmbeC1.c1,1998,08 6:30:00,30 , 4.79591, 33.7872, 18.9806,6.076312
sgpcmbeC1.c1,1998,08 7:30:00,30 ,28.28506,78.57201,57.99004,10.81832
sgpcmbeC1.c1,1998,08 8:30:00,30 ,44.44322,107.3694,89.97963,15.30436
sgpcmbeC1.c1,1998,08 9:30:00,30 ,41.45539, 133.825,114.6392,23.60176
sgpcmbeC1.c1,1998,0810:30:00,30 ,56.65489,161.9736,135.8615,24.10917
sgpcmbeC1.c1,1998,0811:30:00,30 ,37.76287,169.6935,140.1202,33.40426
sgpcmbeC1.c1,1998,0812:30:00,30 ,63.75598, 170.085,136.3906,32.47766
sgpcmbeC1.c1,1998,0813:30:00,31 ,70.63046,165.1422, 142.373,22.96117
sgpcmbeC1.c1,1998,0814:30:00,31 ,23.63562,156.5326,123.4655,31.65366
sgpcmbeC1.c1,1998,0815:30:00,31 ,2.541653,134.5202,106.3252,32.80836
sgpcmbeC1.c1,1998,0816:30:00,31 ,3.184357,107.3252,80.16672,27.45133
sgpcmbeC1.c1,1998,0817:30:00,31 ,2.929104,74.52215, 46.2137,19.78738
sgpcmbeC1.c1,1998,0818:30:00,31 ,4.052319, 35.4947,18.45977,7.110652
sgpcmbeC1.c1,1998,0819:30:00,31 ,       0,5.635941,1.048063, 1.45297
sgpcmbeC1.c1,1998,0820:30:00,30 ,       0,0.003504,0.000117, 0.00064
sgpcmbeC1.c1,1998,0821:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,0822:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,0823:30:00,30 ,       0,0.000745,0.000025,0.000136