datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,10 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 2:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 6:30:00,30 ,       0,5.021106,1.264966,1.219091
sgpcmbeC1.c1,1999,10 7:30:00,30 ,1.910882,39.45376,23.12301,10.01346
sgpcmbeC1.c1,1999,10 8:30:00,30 , 8.08548,77.83727,56.12657,19.82831
sgpcmbeC1.c1,1999,10 9:30:00,30 ,12.53242, 105.632,80.34249, 28.4926
sgpcmbeC1.c1,1999,1010:30:00,30 , 19.0025,125.0003,100.7576,31.27083
sgpcmbeC1.c1,1999,1011:30:00,30 ,19.62355,135.1485,110.2268,34.26876
sgpcmbeC1.c1,1999,1012:30:00,30 ,15.80544, 136.018,108.5927,34.79211
sgpcmbeC1.c1,1999,1013:30:00,30 ,19.23602, 129.416,104.1173, 31.3343
sgpcmbeC1.c1,1999,1014:30:00,30 ,18.86622,113.9863,85.30265,31.48972
sgpcmbeC1.c1,1999,1015:30:00,30 ,9.112095,91.17285,65.96361, 24.6046
sgpcmbeC1.c1,1999,1016:30:00,30 ,2.218969,59.62615,39.63694,16.41812
sgpcmbeC1.c1,1999,1017:30:00,30 ,0.080631,22.18337,10.80124,6.079173
sgpcmbeC1.c1,1999,1018:30:00,29 ,       0,0.277062,0.017667,0.059991
sgpcmbeC1.c1,1999,1019:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1020:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1021:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1022:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1023:30:00,29 ,       0,       0,       0,       0