datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,09 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,09 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,09 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,09 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,09 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,09 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,09 6:30:00,30 ,       0,36.93209,13.55625,9.816513
sgpcmbeC1.c1,1999,09 7:30:00,30 ,7.374237,     160,61.32451,30.29639
sgpcmbeC1.c1,1999,09 8:30:00,30 , 37.2341,240.5264, 117.111, 54.1716
sgpcmbeC1.c1,1999,09 9:30:00,30 , 55.4747,364.7384,164.5026,93.16892
sgpcmbeC1.c1,1999,0910:30:00,30 ,65.11851,430.1845,182.2302,100.2151
sgpcmbeC1.c1,1999,0911:30:00,30 ,55.79989, 464.166,223.5858,130.0376
sgpcmbeC1.c1,1999,0912:30:00,30 ,70.99676,493.4848,226.7212,122.7711
sgpcmbeC1.c1,1999,0913:30:00,30 ,69.67239,430.8281,227.7135, 122.904
sgpcmbeC1.c1,1999,0914:30:00,30 ,58.94602,392.1579,201.4877,105.4527
sgpcmbeC1.c1,1999,0915:30:00,30 ,49.45812,306.1495,171.5048,82.73167
sgpcmbeC1.c1,1999,0916:30:00,30 ,28.88517,212.3737,118.6149,53.24027
sgpcmbeC1.c1,1999,0917:30:00,30 ,5.884354,120.7292,63.65933,28.47551
sgpcmbeC1.c1,1999,0918:30:00,30 ,       0,34.74396,12.90165,10.48937
sgpcmbeC1.c1,1999,0919:30:00,30 ,       0,0.126115,0.004204,0.023025
sgpcmbeC1.c1,1999,0920:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0921:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0922:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0923:30:00,30 ,       0,       0,       0,       0