datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,10 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,10 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,10 2:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,10 3:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,10 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,10 6:30:00,31 ,       0,12.02442, 5.21512,3.742181
sgpcmbeC1.c1,2000,10 7:30:00,31 ,3.774065,42.31068,15.37904,9.536942
sgpcmbeC1.c1,2000,10 8:30:00,31 ,   3.219,64.93272,18.74366,17.46925
sgpcmbeC1.c1,2000,10 9:30:00,31 ,2.133383,65.17734,20.75656,19.99274
sgpcmbeC1.c1,2000,1010:30:00,31 ,0.566638,116.2495,33.32852,31.30868
sgpcmbeC1.c1,2000,1011:30:00,31 ,0.868053, 88.2028,31.88437,30.66067
sgpcmbeC1.c1,2000,1012:30:00,31 ,1.211012,132.8084,32.41667,31.61556
sgpcmbeC1.c1,2000,1013:30:00,31 ,0.593258,172.9844,30.44008,42.12648
sgpcmbeC1.c1,2000,1014:30:00,31 ,1.054279,77.69836,23.74309, 22.5293
sgpcmbeC1.c1,2000,1015:30:00,31 ,1.154143,94.31195,24.94718,24.82568
sgpcmbeC1.c1,2000,1016:30:00,31 ,4.300611, 56.0023,18.32258,12.29827
sgpcmbeC1.c1,2000,1017:30:00,31 ,3.397413,31.45897,13.53671,6.629849
sgpcmbeC1.c1,2000,1018:30:00,31 ,       0,5.013831,0.674918,1.417107
sgpcmbeC1.c1,2000,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1022:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1023:30:00,29 ,       0,       0,       0,       0