datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,08 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 5:30:00,30 ,       0,6.315202,1.384024,1.425166
sgpcmbeC1.c1,1999,08 6:30:00,30 ,4.927644,72.29688,33.97518,15.62936
sgpcmbeC1.c1,1999,08 7:30:00,30 ,19.00225,136.8448,78.83223,30.38017
sgpcmbeC1.c1,1999,08 8:30:00,29 ,31.01735,308.6743,135.5538,70.09278
sgpcmbeC1.c1,1999,08 9:30:00,30 ,70.32398,368.7357,183.2887,95.44525
sgpcmbeC1.c1,1999,0810:30:00,30 ,75.70441,417.9603,197.9496,106.1157
sgpcmbeC1.c1,1999,0811:30:00,30 ,81.46785,497.2997,214.0401,117.9512
sgpcmbeC1.c1,1999,0812:30:00,30 ,77.00579,546.8668,220.8023, 125.668
sgpcmbeC1.c1,1999,0813:30:00,30 ,76.60184,539.5238,219.3487,112.7579
sgpcmbeC1.c1,1999,0814:30:00,30 ,76.57975,387.3078,196.6073,94.20079
sgpcmbeC1.c1,1999,0815:30:00,30 ,72.31872,353.3269,164.6219,72.39542
sgpcmbeC1.c1,1999,0816:30:00,30 ,65.94161,249.7655,130.2331,46.25867
sgpcmbeC1.c1,1999,0817:30:00,30 ,39.38614,162.8599,88.89572,25.39421
sgpcmbeC1.c1,1999,0818:30:00,30 ,2.230633,77.24419, 43.9247,14.66187
sgpcmbeC1.c1,1999,0819:30:00,29 ,       0,15.22347,4.259375, 3.93371
sgpcmbeC1.c1,1999,0820:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0821:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0822:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0823:30:00,29 ,       0,       0,       0,       0