datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,08 0:30:00,31 ,383.6884,465.9791,  418.85,25.03347
sgpcmbeC1.c1,2004,08 1:30:00,31 ,379.8854,464.0858,416.2639,25.11861
sgpcmbeC1.c1,2004,08 2:30:00,31 ,373.5331,462.1476,414.4377,26.09673
sgpcmbeC1.c1,2004,08 3:30:00,31 ,373.8987,462.9034,413.8857, 26.1774
sgpcmbeC1.c1,2004,08 4:30:00,31 ,373.0604,461.4304,412.5255,24.84679
sgpcmbeC1.c1,2004,08 5:30:00,31 ,375.4335,459.3459,412.2463,23.77442
sgpcmbeC1.c1,2004,08 6:30:00,30 ,381.8532,456.8147,415.7505,22.65312
sgpcmbeC1.c1,2004,08 7:30:00,30 ,400.8019, 463.392,428.4296,20.61136
sgpcmbeC1.c1,2004,08 8:30:00,30 , 410.504,478.8382,443.2484,21.35332
sgpcmbeC1.c1,2004,08 9:30:00,31 ,  410.69,495.8611,458.4214,24.57246
sgpcmbeC1.c1,2004,0810:30:00,31 ,420.2021,511.7298,474.6473,28.50067
sgpcmbeC1.c1,2004,0811:30:00,31 ,404.8454,524.5886,484.7642,32.96336
sgpcmbeC1.c1,2004,0812:30:00,31 ,422.2305,533.8464,492.6441,33.70706
sgpcmbeC1.c1,2004,0813:30:00,30 ,439.0259,531.5574,495.1279,30.04186
sgpcmbeC1.c1,2004,0814:30:00,31 ,440.6619,534.8712,495.7864,28.82258
sgpcmbeC1.c1,2004,0815:30:00,31 ,444.6027,532.8246,491.8263,26.07384
sgpcmbeC1.c1,2004,0816:30:00,31 ,441.4982,525.1248,484.3419,24.25631
sgpcmbeC1.c1,2004,0817:30:00,31 , 428.899,510.4648,473.1838,23.30328
sgpcmbeC1.c1,2004,0818:30:00,31 ,418.1887,500.9243,458.4184, 23.7211
sgpcmbeC1.c1,2004,0819:30:00,31 ,407.0734,486.6989,442.4785,25.68343
sgpcmbeC1.c1,2004,0820:30:00,31 ,394.0682,477.1411,432.8089,24.17344
sgpcmbeC1.c1,2004,0821:30:00,31 ,389.8705,472.7438,426.9133,24.55396
sgpcmbeC1.c1,2004,0822:30:00,31 ,389.0508,470.2697,423.4723,24.79912
sgpcmbeC1.c1,2004,0823:30:00,31 ,386.5314,469.2856,420.8728,25.08274