datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,08 0:30:00,31 ,356.1094,434.2285,393.7212,18.72604
sgpcmbeC1.c1,2007,08 1:30:00,31 , 354.043,433.4868,392.7072,19.93552
sgpcmbeC1.c1,2007,08 2:30:00,31 ,350.6089,439.6074,390.7932, 18.9539
sgpcmbeC1.c1,2007,08 3:30:00,31 ,347.3841,432.3536, 389.488,19.19339
sgpcmbeC1.c1,2007,08 4:30:00,31 ,345.1158,433.2689,  388.21,19.26373
sgpcmbeC1.c1,2007,08 5:30:00,31 ,343.0697, 431.132,388.0575,18.84182
sgpcmbeC1.c1,2007,08 6:30:00,31 ,343.8283,431.6293,388.1943,19.30599
sgpcmbeC1.c1,2007,08 7:30:00,31 ,347.3229,421.9062,392.0907,16.47375
sgpcmbeC1.c1,2007,08 8:30:00,31 ,353.5986,423.2057,396.2511, 13.4669
sgpcmbeC1.c1,2007,08 9:30:00,31 ,362.8148,433.5173, 405.452,  15.156
sgpcmbeC1.c1,2007,0810:30:00,31 ,369.3341,439.6156,413.4829,14.58317
sgpcmbeC1.c1,2007,0811:30:00,31 ,373.0807,438.4571,418.4636,14.33391
sgpcmbeC1.c1,2007,0812:30:00,31 ,374.4774,444.9031,424.1238,12.98067
sgpcmbeC1.c1,2007,0813:30:00,31 ,376.5209,447.8249,428.0104,13.98721
sgpcmbeC1.c1,2007,0814:30:00,31 ,378.9171,450.9596,426.6425,14.40996
sgpcmbeC1.c1,2007,0815:30:00,31 ,379.0178,457.5224,425.5601,15.38274
sgpcmbeC1.c1,2007,0816:30:00,31 ,376.6942,469.3874, 422.876,17.39665
sgpcmbeC1.c1,2007,0817:30:00,31 ,374.9531,461.3076, 420.255, 17.2078
sgpcmbeC1.c1,2007,0818:30:00,31 ,370.7884,442.9163,415.0938,17.05487
sgpcmbeC1.c1,2007,0819:30:00,31 ,363.7721,436.2937,407.9327,16.96455
sgpcmbeC1.c1,2007,0820:30:00,31 ,355.7101,431.2298, 400.878,17.35517
sgpcmbeC1.c1,2007,0821:30:00,31 , 350.593,431.7507,  396.65,17.09675
sgpcmbeC1.c1,2007,0822:30:00,31 ,345.9286,426.8302,394.0071,17.43284
sgpcmbeC1.c1,2007,0823:30:00,31 ,340.6009,434.8756,393.7931, 20.7863