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 ,       0,9.744708,4.429491,2.851919
sgpcmbeC1.c1,1999,10 7:30:00,30 ,11.95719,79.48797,43.90579,15.57626
sgpcmbeC1.c1,1999,10 8:30:00,30 ,49.03806,168.5019,86.69276,34.61337
sgpcmbeC1.c1,1999,10 9:30:00,30 ,59.61147,225.4717,112.5382,48.98886
sgpcmbeC1.c1,1999,1010:30:00,30 , 65.4968,254.2415, 128.177,55.73807
sgpcmbeC1.c1,1999,1011:30:00,30 ,70.36405, 429.145,137.5256,78.62514
sgpcmbeC1.c1,1999,1012:30:00,30 ,72.90702,402.7306,145.8107,91.89101
sgpcmbeC1.c1,1999,1013:30:00,30 ,71.58033,410.3478,139.4872,81.94443
sgpcmbeC1.c1,1999,1014:30:00,30 ,67.45361, 322.998,124.9613,61.30264
sgpcmbeC1.c1,1999,1015:30:00,30 , 56.9284,279.1864, 101.562,49.71469
sgpcmbeC1.c1,1999,1016:30:00,30 ,16.86132,124.0015,62.82941,21.90783
sgpcmbeC1.c1,1999,1017:30:00,30 , 2.15815,51.61067,24.03326,10.95795
sgpcmbeC1.c1,1999,1018:30:00,29 ,       0,6.267881,0.570395,1.384854
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