datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,02 0:30:00,29 ,191.9322,357.1895,266.7372,44.98402
sgpcmbeC1.c1,2004,02 1:30:00,29 ,189.2835,358.2007,265.5977,45.75027
sgpcmbeC1.c1,2004,02 2:30:00,29 ,187.4967,357.8098,262.0909,47.55465
sgpcmbeC1.c1,2004,02 3:30:00,29 ,185.8257,359.6013,263.6918,48.09263
sgpcmbeC1.c1,2004,02 4:30:00,29 , 183.637,359.0919,261.9972,45.84226
sgpcmbeC1.c1,2004,02 5:30:00,29 ,183.0837,358.6088,262.0675,46.12756
sgpcmbeC1.c1,2004,02 6:30:00,29 , 180.853,357.2333,262.7907,44.95805
sgpcmbeC1.c1,2004,02 7:30:00,29 ,178.9923,359.8029,262.4438,47.00001
sgpcmbeC1.c1,2004,02 8:30:00,29 ,177.9783,361.9035,264.8437, 48.7069
sgpcmbeC1.c1,2004,02 9:30:00,29 ,180.7897,362.1878,270.0715,47.26133
sgpcmbeC1.c1,2004,0210:30:00,29 ,182.5945,357.3513,271.0607,46.30994
sgpcmbeC1.c1,2004,0211:30:00,29 ,183.7715,353.2552,273.6151,45.81852
sgpcmbeC1.c1,2004,0212:30:00,29 ,186.0547,  355.29,274.3042,45.72753
sgpcmbeC1.c1,2004,0213:30:00,29 ,188.6474,345.3002,272.5343,41.79408
sgpcmbeC1.c1,2004,0214:30:00,29 ,190.7967,355.2233,277.0795,42.63383
sgpcmbeC1.c1,2004,0215:30:00,29 ,192.6603,359.6516,279.0715,42.87765
sgpcmbeC1.c1,2004,0216:30:00,29 ,191.4408, 355.265,279.1734, 42.6224
sgpcmbeC1.c1,2004,0217:30:00,29 ,192.8202,354.8262,277.4337,42.85533
sgpcmbeC1.c1,2004,0218:30:00,29 ,194.1543,362.9759, 278.765,44.79963
sgpcmbeC1.c1,2004,0219:30:00,29 ,194.9895,360.2955,275.6654,44.54633
sgpcmbeC1.c1,2004,0220:30:00,29 ,195.9488,352.1509, 269.834,39.85116
sgpcmbeC1.c1,2004,0221:30:00,29 ,196.8145,351.8077,268.1163,41.25294
sgpcmbeC1.c1,2004,0222:30:00,29 ,194.8788,355.8746,266.6899,43.08689
sgpcmbeC1.c1,2004,0223:30:00,29 ,193.2287, 356.837,266.1204,43.69707