datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,06 0:30:00,30 ,       0,5.020151, 1.23709,1.330297
sgpcmbeC1.c1,2001,06 1:30:00,29 ,       0,4.893379,1.319538,1.184139
sgpcmbeC1.c1,2001,06 2:30:00,29 ,       0,5.012524,1.473576,1.364365
sgpcmbeC1.c1,2001,06 3:30:00,29 ,       0,6.310544,1.426741,1.379971
sgpcmbeC1.c1,2001,06 4:30:00,30 ,       0,6.187896,1.367174,1.250674
sgpcmbeC1.c1,2001,06 5:30:00,30 ,0.838147,28.57705,17.78913,7.500482
sgpcmbeC1.c1,2001,06 6:30:00,30 ,19.37801,185.3572,121.2939, 54.6543
sgpcmbeC1.c1,2001,06 7:30:00,30 ,65.21251,388.5584,277.7442,111.4862
sgpcmbeC1.c1,2001,06 8:30:00,30 , 96.2893,583.6097,452.5182,150.2552
sgpcmbeC1.c1,2001,06 9:30:00,30 ,50.14952,758.2853,587.7668,214.7076
sgpcmbeC1.c1,2001,0610:30:00,30 ,8.356516,887.1105,  721.31,213.2185
sgpcmbeC1.c1,2001,0611:30:00,30 ,87.91532,990.7145,798.7543,200.0644
sgpcmbeC1.c1,2001,0612:30:00,30 ,371.5444,995.8629,866.7646,161.5931
sgpcmbeC1.c1,2001,0613:30:00,30 ,213.1171,1006.947,833.7423,175.8636
sgpcmbeC1.c1,2001,0614:30:00,30 ,98.49804, 915.845,751.5828,181.4736
sgpcmbeC1.c1,2001,0615:30:00,30 ,194.4509,778.7294,651.1904,125.9804
sgpcmbeC1.c1,2001,0616:30:00,30 ,140.1327,581.1672, 479.641,123.6562
sgpcmbeC1.c1,2001,0617:30:00,30 ,113.9003,397.9209,320.6431,66.27142
sgpcmbeC1.c1,2001,0618:30:00,30 ,20.01479,186.2766,137.3587,49.87775
sgpcmbeC1.c1,2001,0619:30:00,30 ,0.160165,37.09049,21.07592,10.85134
sgpcmbeC1.c1,2001,0620:30:00,30 ,       0,4.079608,1.010381,0.936337
sgpcmbeC1.c1,2001,0621:30:00,30 ,       0,3.501359,1.015067,0.942141
sgpcmbeC1.c1,2001,0622:30:00,30 ,       0,5.972771,1.215867,1.216204
sgpcmbeC1.c1,2001,0623:30:00,30 ,       0,5.117689,1.146881,1.104129