datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,07 0:30:00,31 ,353.2349,419.6187,381.2776,16.05744
sgpcmbeC1.c1,2007,07 1:30:00,31 ,353.4474,422.3969,381.2736,17.48275
sgpcmbeC1.c1,2007,07 2:30:00,31 ,355.2754, 422.204,380.3827,17.35437
sgpcmbeC1.c1,2007,07 3:30:00,31 ,353.1738,422.3964,379.2682,17.14235
sgpcmbeC1.c1,2007,07 4:30:00,31 ,352.4187,423.2803,380.6737,19.35428
sgpcmbeC1.c1,2007,07 5:30:00,31 ,353.7242, 423.902,382.3142,22.28473
sgpcmbeC1.c1,2007,07 6:30:00,31 ,353.9595,428.1114,385.1154,23.37399
sgpcmbeC1.c1,2007,07 7:30:00,31 , 359.369,430.0124,390.7758,21.92989
sgpcmbeC1.c1,2007,07 8:30:00,31 ,  368.88,432.8185,395.9241,18.50221
sgpcmbeC1.c1,2007,07 9:30:00,31 ,377.4565,431.5526,400.6845,14.69272
sgpcmbeC1.c1,2007,0710:30:00,31 ,381.0697,438.3574,406.4022,15.02053
sgpcmbeC1.c1,2007,0711:30:00,29 ,386.6875,443.0829,411.7253,14.90794
sgpcmbeC1.c1,2007,0712:30:00,28 ,369.8319,436.9536,410.7637,16.90775
sgpcmbeC1.c1,2007,0713:30:00,28 ,364.0852,438.2392,413.1568,17.98015
sgpcmbeC1.c1,2007,0714:30:00,26 ,369.5696,440.7889,412.7439,16.38707
sgpcmbeC1.c1,2007,0715:30:00,30 ,356.8293,436.0149, 411.198,16.83639
sgpcmbeC1.c1,2007,0716:30:00,29 ,355.3768,431.8764,408.1904,15.18857
sgpcmbeC1.c1,2007,0717:30:00,30 ,383.6703,440.5679,409.7829,12.88353
sgpcmbeC1.c1,2007,0718:30:00,30 ,378.5614,  430.11,405.3689,12.03441
sgpcmbeC1.c1,2007,0719:30:00,31 ,370.8492,425.0639,397.7019,12.30689
sgpcmbeC1.c1,2007,0720:30:00,31 ,366.3969,428.8026,391.7352,15.23045
sgpcmbeC1.c1,2007,0721:30:00,31 ,362.9359,420.2022,387.2556,13.62341
sgpcmbeC1.c1,2007,0722:30:00,31 ,361.2691,424.5453,384.3863,13.38525
sgpcmbeC1.c1,2007,0723:30:00,31 ,357.7843,429.0523,383.0772,15.24724