datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,03 0:30:00,31 ,238.4919,399.4837,299.6911,49.00124
sgpcmbeC1.c1,2004,03 1:30:00,31 ,236.8953,400.8235,297.3965,51.12322
sgpcmbeC1.c1,2004,03 2:30:00,31 ,235.1848,408.1284, 296.113,51.84401
sgpcmbeC1.c1,2004,03 3:30:00,31 , 233.084, 409.829,295.7251,51.03971
sgpcmbeC1.c1,2004,03 4:30:00,31 ,233.3813,  408.64,298.7871,  54.049
sgpcmbeC1.c1,2004,03 5:30:00,31 ,233.3106,405.7687,296.0797, 53.8587
sgpcmbeC1.c1,2004,03 6:30:00,31 ,234.6823,404.7839,296.6683,54.73235
sgpcmbeC1.c1,2004,03 7:30:00,31 ,236.7712,404.2362,296.1231,53.52358
sgpcmbeC1.c1,2004,03 8:30:00,31 ,244.3035,401.2805,300.3245,56.59712
sgpcmbeC1.c1,2004,03 9:30:00,31 ,249.5183,404.8302,305.7813,54.16515
sgpcmbeC1.c1,2004,0310:30:00,31 ,252.6671,408.0685,310.3155,51.88883
sgpcmbeC1.c1,2004,0311:30:00,31 ,258.9925,  405.42,313.6055,49.60758
sgpcmbeC1.c1,2004,0312:30:00,31 ,262.3237,409.8207,314.3168,45.36403
sgpcmbeC1.c1,2004,0313:30:00,31 ,263.4363,405.9974,317.0173,43.94668
sgpcmbeC1.c1,2004,0314:30:00,30 ,261.4613,404.4561,323.2294, 43.8531
sgpcmbeC1.c1,2004,0315:30:00,30 ,260.7313,406.2298,325.0147,43.78255
sgpcmbeC1.c1,2004,0316:30:00,31 ,261.1625,413.6711,325.5029,44.05932
sgpcmbeC1.c1,2004,0317:30:00,31 ,260.7053,398.6564,321.5175,43.18876
sgpcmbeC1.c1,2004,0318:30:00,31 ,259.3423,391.4132,318.2844,41.41905
sgpcmbeC1.c1,2004,0319:30:00,31 ,255.5837,  393.08,316.4185,41.65962
sgpcmbeC1.c1,2004,0320:30:00,31 ,254.2552,398.9425,310.9083,44.86214
sgpcmbeC1.c1,2004,0321:30:00,31 ,248.9663,389.0952,306.2654,43.66017
sgpcmbeC1.c1,2004,0322:30:00,31 ,247.5873,400.2992, 301.748,43.03356
sgpcmbeC1.c1,2004,0323:30:00,31 ,241.4923,403.9232,301.2413,46.59437