datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 5:30:00,31 ,       0,8.737592,1.868625,1.930966
sgpcmbeC1.c1,2000,08 6:30:00,31 ,8.991288,131.2284,66.04716,27.61743
sgpcmbeC1.c1,2000,08 7:30:00,31 ,14.53934,302.1534,221.0986,70.86207
sgpcmbeC1.c1,2000,08 8:30:00,31 ,75.79684, 489.614,409.4719, 96.3742
sgpcmbeC1.c1,2000,08 9:30:00,31 ,189.7309,676.5176,606.8726,89.88138
sgpcmbeC1.c1,2000,0810:30:00,31 ,332.9981,821.4667,739.7369,105.4386
sgpcmbeC1.c1,2000,0811:30:00,31 ,516.7803,931.9592,837.5958,84.45125
sgpcmbeC1.c1,2000,0812:30:00,31 ,444.5639,973.4881,859.2499,115.0378
sgpcmbeC1.c1,2000,0813:30:00,31 ,355.6353,953.8386,835.8047,116.8065
sgpcmbeC1.c1,2000,0814:30:00,31 ,433.5157,856.1565, 751.773, 110.099
sgpcmbeC1.c1,2000,0815:30:00,31 ,326.4608,713.2468,617.6225,89.54917
sgpcmbeC1.c1,2000,0816:30:00,31 ,78.37185,531.3475,443.6463,83.07871
sgpcmbeC1.c1,2000,0817:30:00,31 ,131.1328,330.4334,249.0443,56.60206
sgpcmbeC1.c1,2000,0818:30:00,31 ,44.03138,132.6749,88.91485,25.53736
sgpcmbeC1.c1,2000,0819:30:00,30 ,       0,20.05983,6.318122,5.128214
sgpcmbeC1.c1,2000,0820:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0821:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0823:30:00,31 ,       0,       0,       0,       0