datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,08 0:30:00,30 ,0.468427,12.67664,2.904715,2.820935
sgpcmbeC1.c1,1998,08 1:30:00,30 ,0.537807,13.02155,3.042788,3.435939
sgpcmbeC1.c1,1998,08 2:30:00,30 ,0.411376,5.470623,1.855503,1.298183
sgpcmbeC1.c1,1998,08 3:30:00,30 ,0.421457,6.790543,1.737267,1.476836
sgpcmbeC1.c1,1998,08 4:30:00,30 , 0.50444,9.645229, 1.94636,2.302843
sgpcmbeC1.c1,1998,08 5:30:00,30 ,0.504464,12.46101,2.026432,2.509677
sgpcmbeC1.c1,1998,08 6:30:00,30 ,0.445327,7.304898,2.000562,1.997243
sgpcmbeC1.c1,1998,08 7:30:00,30 , 0.90257,10.21451,3.258112, 1.97036
sgpcmbeC1.c1,1998,08 8:30:00,30 ,0.855836,8.792635,3.400063,1.811803
sgpcmbeC1.c1,1998,08 9:30:00,30 ,1.012762,15.88266,3.562853,2.890591
sgpcmbeC1.c1,1998,0810:30:00,30 ,1.466933,12.38203,3.410811,2.139596
sgpcmbeC1.c1,1998,0811:30:00,30 ,0.767038,9.226975,3.875377,2.088539
sgpcmbeC1.c1,1998,0812:30:00,30 ,1.089419, 6.97781,3.425812,1.475681
sgpcmbeC1.c1,1998,0813:30:00,31 ,1.129213,9.412912, 3.47869, 1.96166
sgpcmbeC1.c1,1998,0814:30:00,31 ,1.101038,11.61201,3.601358,2.232428
sgpcmbeC1.c1,1998,0815:30:00,31 ,1.144862,11.67834,3.853295, 2.62913
sgpcmbeC1.c1,1998,0816:30:00,31 ,0.975205, 8.85063,3.360532,2.018319
sgpcmbeC1.c1,1998,0817:30:00,31 ,0.952172,11.10259,3.333167,2.538126
sgpcmbeC1.c1,1998,0818:30:00,31 ,0.934953,12.69163,3.571364,3.098689
sgpcmbeC1.c1,1998,0819:30:00,31 ,0.905472,9.875884,3.335362, 2.01778
sgpcmbeC1.c1,1998,0820:30:00,30 , 0.69639,12.99099,3.298835,2.899582
sgpcmbeC1.c1,1998,0821:30:00,30 ,0.758304,12.01235,3.634241,3.110718
sgpcmbeC1.c1,1998,0822:30:00,30 ,0.549823,12.13608,3.147723,  3.2138
sgpcmbeC1.c1,1998,0823:30:00,30 ,0.522355, 10.4783,3.284298,3.051023