datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,09 0:30:00,18 ,0.832338,4.375245,2.638764,1.060479
sgpcmbeC1.c1,2000,09 1:30:00,18 ,0.811426,4.277879,2.651203,1.056822
sgpcmbeC1.c1,2000,09 2:30:00,18 ,0.816322,4.089427,2.658732,1.034525
sgpcmbeC1.c1,2000,09 3:30:00,17 ,0.876739,3.984656,2.629264, 1.01874
sgpcmbeC1.c1,2000,09 4:30:00,17 ,0.889044,4.018172,2.645217,1.014895
sgpcmbeC1.c1,2000,09 5:30:00,17 ,0.940485,4.071565,2.720426,1.018648
sgpcmbeC1.c1,2000,09 6:30:00,17 ,0.988818,4.037267,2.731764,1.007113
sgpcmbeC1.c1,2000,09 7:30:00,18 ,0.726393,4.057749,2.476584,1.101351
sgpcmbeC1.c1,2000,09 8:30:00,20 , 0.75226,4.185102,2.467547,   1.094
sgpcmbeC1.c1,2000,09 9:30:00,21 ,0.813794,4.229467,2.487436,1.076307
sgpcmbeC1.c1,2000,0910:30:00,21 ,0.811291,4.295774,2.501288,1.073319
sgpcmbeC1.c1,2000,0911:30:00,20 ,0.803257,4.184195,2.406498,1.069163
sgpcmbeC1.c1,2000,0912:30:00,20 , 1.15172,4.188731,2.543507,1.000396
sgpcmbeC1.c1,2000,0913:30:00,21 ,0.827456,4.227072,2.476898,1.054614
sgpcmbeC1.c1,2000,0914:30:00,22 ,0.795848,4.253683,2.514644,1.030588
sgpcmbeC1.c1,2000,0915:30:00,21 ,0.831541,4.182134,2.548395,1.052207
sgpcmbeC1.c1,2000,0916:30:00,20 ,0.846057,4.095542,2.522273,1.122837
sgpcmbeC1.c1,2000,0917:30:00,20 , 0.85772,4.079665, 2.49322,1.125757
sgpcmbeC1.c1,2000,0918:30:00,20 , 0.90449,4.155251, 2.48955,1.099254
sgpcmbeC1.c1,2000,0919:30:00,20 , 0.88805,4.203241,2.496615,1.064636
sgpcmbeC1.c1,2000,0920:30:00,19 ,0.859869,4.117818,2.499368,1.071235
sgpcmbeC1.c1,2000,0921:30:00,18 ,0.898895,4.205312,2.594367,1.042109
sgpcmbeC1.c1,2000,0922:30:00,18 ,0.823997,4.605025,2.626048,1.099597
sgpcmbeC1.c1,2000,0923:30:00,18 ,0.784908,4.447301,2.584311,1.074468