datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,08 0:30:00,29 ,       0,0.000842,0.000041,0.000167
sgpcmbeC1.c1,1999,08 1:30:00,29 ,       0, 0.00987, 0.00034,0.001833
sgpcmbeC1.c1,1999,08 2:30:00,30 ,       0,0.110518,0.004446,0.020228
sgpcmbeC1.c1,1999,08 3:30:00,30 ,       0,0.017895,0.000596,0.003267
sgpcmbeC1.c1,1999,08 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 5:30:00,30 ,0.049646,0.754483,0.320103,0.152423
sgpcmbeC1.c1,1999,08 6:30:00,30 ,0.001328, 61.0894,25.07691, 21.7649
sgpcmbeC1.c1,1999,08 7:30:00,30 ,0.000065,231.4602,118.4874,88.91564
sgpcmbeC1.c1,1999,08 8:30:00,29 ,0.113024,425.2687,251.8934,158.1093
sgpcmbeC1.c1,1999,08 9:30:00,30 ,2.378021, 606.018,375.2508,212.3257
sgpcmbeC1.c1,1999,0810:30:00,30 ,2.834839,746.1038,520.3624, 230.077
sgpcmbeC1.c1,1999,0811:30:00,30 ,30.36633,831.1675,587.3124,244.4666
sgpcmbeC1.c1,1999,0812:30:00,30 ,40.75732,874.2885,616.3403,258.1316
sgpcmbeC1.c1,1999,0813:30:00,30 , 4.08847,849.9598,570.3179,254.8685
sgpcmbeC1.c1,1999,0814:30:00,30 ,1.854919,763.2972,537.4816,209.1566
sgpcmbeC1.c1,1999,0815:30:00,30 ,0.938721,628.8723, 439.361,165.7124
sgpcmbeC1.c1,1999,0816:30:00,30 , 0.27066,452.0817,331.6291,114.7748
sgpcmbeC1.c1,1999,0817:30:00,30 ,       0,264.2433,170.9347,76.04963
sgpcmbeC1.c1,1999,0818:30:00,30 ,       0, 118.414,46.62681,28.46475
sgpcmbeC1.c1,1999,0819:30:00,29 ,0.000049,3.433144,0.901466,0.998936
sgpcmbeC1.c1,1999,0820:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0821:30:00,29 ,       0,0.034905,0.001994,0.006923
sgpcmbeC1.c1,1999,0822:30:00,29 ,       0,0.030022,0.002523,0.007199
sgpcmbeC1.c1,1999,0823:30:00,29 ,       0,0.003276,0.000189, 0.00072