datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,03 0:30:00,27 ,242.1401, 399.782,322.6675,37.17081
sgpcmbeC1.c1,2002,03 1:30:00,27 ,238.7934,398.6144,320.9668,38.65223
sgpcmbeC1.c1,2002,03 2:30:00,27 ,240.3823,397.0973,319.7577,  38.848
sgpcmbeC1.c1,2002,03 3:30:00,27 ,238.3502,395.5319,319.6118,39.23202
sgpcmbeC1.c1,2002,03 4:30:00,27 ,234.5425, 394.616,318.8504, 39.4559
sgpcmbeC1.c1,2002,03 5:30:00,27 ,232.7776, 393.737,317.0906, 38.5431
sgpcmbeC1.c1,2002,03 6:30:00,27 ,233.6921,393.4927,317.3746, 38.0118
sgpcmbeC1.c1,2002,03 7:30:00,27 ,  238.81,392.8884,325.4848,36.27924
sgpcmbeC1.c1,2002,03 8:30:00,27 ,255.3288,396.3419,341.8243, 36.6703
sgpcmbeC1.c1,2002,03 9:30:00,27 ,269.9635,418.5428,359.4356,39.25525
sgpcmbeC1.c1,2002,0310:30:00,28 ,276.9349,449.2093,378.3135,44.36845
sgpcmbeC1.c1,2002,0311:30:00,28 ,282.7349,472.1222,391.2753,46.40031
sgpcmbeC1.c1,2002,0312:30:00,27 , 286.942,489.4256,399.6128,48.36086
sgpcmbeC1.c1,2002,0313:30:00,26 ,288.8635,493.7445,404.1601,50.22474
sgpcmbeC1.c1,2002,0314:30:00,26 , 288.355,492.2031,403.2275,50.14099
sgpcmbeC1.c1,2002,0315:30:00,27 , 286.585, 480.553,399.0482,46.65952
sgpcmbeC1.c1,2002,0316:30:00,27 , 282.472,459.7916,386.4702,42.54975
sgpcmbeC1.c1,2002,0317:30:00,27 ,275.7613,  437.16,371.5313,38.59322
sgpcmbeC1.c1,2002,0318:30:00,27 ,266.6572,408.0494,351.4538,36.05834
sgpcmbeC1.c1,2002,0319:30:00,27 ,260.3057,400.3658,340.0249, 34.2793
sgpcmbeC1.c1,2002,0320:30:00,27 , 255.689,402.8423,334.6833,35.05747
sgpcmbeC1.c1,2002,0321:30:00,27 ,252.5202,396.0338,330.8528,35.29419
sgpcmbeC1.c1,2002,0322:30:00,27 , 249.503,401.5299, 326.184,35.25234
sgpcmbeC1.c1,2002,0323:30:00,27 ,245.1561,402.1126,324.2934,36.29058