datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 2:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 3:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 5:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,10 6:30:00,31 ,       0,17.66205, 4.77143, 5.07913
sgpcmbeC1.c1,2006,10 7:30:00,31 ,6.014251,152.3017,84.14516,46.56645
sgpcmbeC1.c1,2006,10 8:30:00,31 ,28.61285,348.5881,222.1978,107.7648
sgpcmbeC1.c1,2006,10 9:30:00,31 ,18.60956,528.4455,347.4553,167.7858
sgpcmbeC1.c1,2006,1010:30:00,31 ,44.82967,662.3409,466.4244,199.9127
sgpcmbeC1.c1,2006,1011:30:00,31 ,61.21016,742.8728,527.3301,243.1344
sgpcmbeC1.c1,2006,1012:30:00,31 , 48.1368,762.3016,567.0917,242.9662
sgpcmbeC1.c1,2006,1013:30:00,31 ,45.03945,731.8234,561.8812,201.6003
sgpcmbeC1.c1,2006,1014:30:00,31 ,91.63026,624.5764,471.7058,160.0493
sgpcmbeC1.c1,2006,1015:30:00,31 ,43.97748,459.9578,337.9167,119.7274
sgpcmbeC1.c1,2006,1016:30:00,31 , 14.4247,274.6982,170.5013,73.81019
sgpcmbeC1.c1,2006,1017:30:00,31 ,3.256499, 101.009,36.88756,26.72445
sgpcmbeC1.c1,2006,1018:30:00,29 ,       0,5.970842,0.380263,1.200028
sgpcmbeC1.c1,2006,1019:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1020:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1021:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1022:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,1023:30:00,29 ,       0,       0,       0,       0