datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,06 0:30:00,27 ,       0,0.720033,0.095221,0.228784
sgpcmbeC1.c1,2005,06 1:30:00,27 ,       0, 1.47293,0.074315,0.294575
sgpcmbeC1.c1,2005,06 2:30:00,27 ,       0,1.449952,0.101686,0.366989
sgpcmbeC1.c1,2005,06 3:30:00,27 ,       0,0.670607,0.030522,0.131283
sgpcmbeC1.c1,2005,06 4:30:00,27 ,       0,  0.1583,0.013482,0.037205
sgpcmbeC1.c1,2005,06 5:30:00,27 ,       0,35.81002,21.63991,9.509887
sgpcmbeC1.c1,2005,06 6:30:00,27 ,8.964042,191.2816,133.2041,49.57616
sgpcmbeC1.c1,2005,06 7:30:00,27 ,24.41489, 407.077,304.0153,103.9997
sgpcmbeC1.c1,2005,06 8:30:00,28 ,218.8603,611.0389,488.9707,101.4223
sgpcmbeC1.c1,2005,06 9:30:00,28 ,429.2746, 757.644,683.8385,78.96415
sgpcmbeC1.c1,2005,0610:30:00,28 ,39.63823,910.8856, 788.044,165.1095
sgpcmbeC1.c1,2005,0611:30:00,28 ,297.9045,974.8489,854.8396,171.8228
sgpcmbeC1.c1,2005,0612:30:00,27 ,647.0915,1001.911,914.1298,91.16945
sgpcmbeC1.c1,2005,0613:30:00,27 ,569.2867,974.9415,846.2483,130.3742
sgpcmbeC1.c1,2005,0614:30:00,27 ,195.6292,881.8127,742.9224,201.5752
sgpcmbeC1.c1,2005,0615:30:00,27 ,133.5509, 753.504,611.0091,196.5195
sgpcmbeC1.c1,2005,0616:30:00,27 ,50.10635,580.6559,461.8456,153.0738
sgpcmbeC1.c1,2005,0617:30:00,27 ,22.16514,387.8806,307.9446,100.9625
sgpcmbeC1.c1,2005,0618:30:00,27 ,9.482041,187.5895,137.1143, 56.2825
sgpcmbeC1.c1,2005,0619:30:00,27 ,       0,38.62453,25.73142,11.33328
sgpcmbeC1.c1,2005,0620:30:00,27 ,       0,0.250429,0.023138,0.055311
sgpcmbeC1.c1,2005,0621:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,0622:30:00,27 ,       0,0.355598,0.024457,0.088399
sgpcmbeC1.c1,2005,0623:30:00,27 ,       0,0.903727,0.035548,0.173842