datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,06 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,06 1:30:00,30 ,       0,0.029682,0.000989,0.005419
sgpcmbeC1.c1,1997,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,06 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,06 4:30:00,30 ,       0,0.010601,0.000353,0.001935
sgpcmbeC1.c1,1997,06 5:30:00,30 ,0.110486, 14.6935,5.955186,3.718613
sgpcmbeC1.c1,1997,06 6:30:00,30 , 2.51791,53.04956,32.46992,16.56417
sgpcmbeC1.c1,1997,06 7:30:00,30 ,7.885247,97.14231,61.26496,29.92407
sgpcmbeC1.c1,1997,06 8:30:00,30 ,12.40632, 124.262,85.84219,40.38702
sgpcmbeC1.c1,1997,06 9:30:00,30 , 20.2497,142.0753,103.7793,42.86156
sgpcmbeC1.c1,1997,0610:30:00,30 ,6.006824,158.6553,114.2771,44.05613
sgpcmbeC1.c1,1997,0611:30:00,30 ,19.15854,170.6026,127.2784,41.70454
sgpcmbeC1.c1,1997,0612:30:00,30 ,40.84756,172.6483,130.9865,34.17467
sgpcmbeC1.c1,1997,0613:30:00,30 ,27.85055,161.6155,126.7927,30.51782
sgpcmbeC1.c1,1997,0614:30:00,30 , 44.6287,157.1488,127.4739,25.56139
sgpcmbeC1.c1,1997,0615:30:00,30 , 38.2192,144.1924,115.4559,27.08233
sgpcmbeC1.c1,1997,0616:30:00,30 ,19.74218,138.2603,92.17815,30.44157
sgpcmbeC1.c1,1997,0617:30:00,30 ,1.235594,90.24892,61.87988,25.75926
sgpcmbeC1.c1,1997,0618:30:00,30 ,1.553882,52.09895,30.50147,16.14879
sgpcmbeC1.c1,1997,0619:30:00,30 ,       0,13.45043,7.041367,4.297729
sgpcmbeC1.c1,1997,0620:30:00,30 ,       0,0.005936,0.000198,0.001084
sgpcmbeC1.c1,1997,0621:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,0622:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,0623:30:00,30 ,       0,       0,       0,       0