datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,06 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,06 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,06 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,06 5:30:00,30 ,0.004557,17.20209,4.515621,4.702166
sgpcmbeC1.c1,2003,06 6:30:00,30 ,0.007523,148.3436,46.80491,47.30771
sgpcmbeC1.c1,2003,06 7:30:00,30 ,0.160637,342.1396,129.1264,116.2841
sgpcmbeC1.c1,2003,06 8:30:00,30 ,0.633102,538.7288,221.6562,187.0553
sgpcmbeC1.c1,2003,06 9:30:00,30 ,0.911362, 710.262,338.5224,251.3062
sgpcmbeC1.c1,2003,0610:30:00,30 ,0.627304,844.0443,394.8786,285.9723
sgpcmbeC1.c1,2003,0611:30:00,30 ,1.431396,930.7705,445.5791,318.5387
sgpcmbeC1.c1,2003,0612:30:00,30 ,4.120148, 955.355,491.2839,342.0646
sgpcmbeC1.c1,2003,0613:30:00,30 ,0.129517,914.6418,475.4762,326.4471
sgpcmbeC1.c1,2003,0614:30:00,30 , 0.91687,830.4776,440.1546,280.6983
sgpcmbeC1.c1,2003,0615:30:00,30 ,       0,698.1253,364.2921,239.5631
sgpcmbeC1.c1,2003,0616:30:00,30 ,0.149208,523.9293,271.2974,189.2612
sgpcmbeC1.c1,2003,0617:30:00,30 ,0.000675,331.2546,153.4071,119.7842
sgpcmbeC1.c1,2003,0618:30:00,30 ,       0,142.7901,55.99062,54.63296
sgpcmbeC1.c1,2003,0619:30:00,30 ,       0,16.45732,4.982444,5.902124
sgpcmbeC1.c1,2003,0620:30:00,30 ,       0,0.613432,0.038352, 0.13088
sgpcmbeC1.c1,2003,0621:30:00,30 ,       0,0.155028,0.005168,0.028304
sgpcmbeC1.c1,2003,0622:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0623:30:00,30 ,       0,       0,       0,       0