datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,02 0:30:00,28 ,185.2293,381.3406, 270.664,49.14788
sgpcmbeC1.c1,2003,02 1:30:00,28 ,184.0915,389.8727,273.1501,48.78472
sgpcmbeC1.c1,2003,02 2:30:00,28 ,184.2943, 394.143,274.1671,48.35368
sgpcmbeC1.c1,2003,02 3:30:00,28 , 186.461,394.9092, 272.107,48.17485
sgpcmbeC1.c1,2003,02 4:30:00,28 ,185.6325,344.7852,276.1244, 45.8945
sgpcmbeC1.c1,2003,02 5:30:00,28 ,185.3809,336.9391,277.7187,46.99089
sgpcmbeC1.c1,2003,02 6:30:00,28 ,184.4047,339.1088,277.9364,46.90133
sgpcmbeC1.c1,2003,02 7:30:00,28 ,183.8013,331.7802,276.5411,45.33782
sgpcmbeC1.c1,2003,02 8:30:00,28 , 184.535, 344.147,277.4514,43.33283
sgpcmbeC1.c1,2003,02 9:30:00,28 ,186.4966,353.9047,279.9741,43.29257
sgpcmbeC1.c1,2003,0210:30:00,28 ,189.1786,365.8331,282.6045,44.98705
sgpcmbeC1.c1,2003,0211:30:00,28 ,192.0107, 365.671,286.1453, 42.5328
sgpcmbeC1.c1,2003,0212:30:00,28 ,194.6539,369.0782, 289.279,40.92236
sgpcmbeC1.c1,2003,0213:30:00,28 ,196.5917,369.5093,290.5418,38.93409
sgpcmbeC1.c1,2003,0214:30:00,28 , 197.903,372.5944,293.0029,  38.818
sgpcmbeC1.c1,2003,0215:30:00,28 ,198.7574,368.8067,291.0847,39.59585
sgpcmbeC1.c1,2003,0216:30:00,28 ,199.7741,368.1852,288.1438, 41.8251
sgpcmbeC1.c1,2003,0217:30:00,28 ,  198.88,366.9979,285.8427,41.74682
sgpcmbeC1.c1,2003,0218:30:00,28 , 197.087,363.5384,283.3874,41.22366
sgpcmbeC1.c1,2003,0219:30:00,28 ,194.3935,361.0605,280.3557,42.27493
sgpcmbeC1.c1,2003,0220:30:00,28 , 191.388,361.3406,278.1652,43.51774
sgpcmbeC1.c1,2003,0221:30:00,28 ,189.6275,364.8397,275.9707,46.44122
sgpcmbeC1.c1,2003,0222:30:00,28 ,187.4659, 373.914,274.5696,48.11341
sgpcmbeC1.c1,2003,0223:30:00,28 ,186.2473,377.5225,272.0488,50.02635