datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,01 0:30:00,31 ,261.2645,335.4424, 302.743,21.76843
sgpcmbeC1.c1,2003,01 1:30:00,31 ,261.5093,333.4968,301.0303,  20.607
sgpcmbeC1.c1,2003,01 2:30:00,31 , 261.527,332.3239,299.7026,19.40045
sgpcmbeC1.c1,2003,01 3:30:00,31 ,260.7233,325.4118,298.2574,17.96823
sgpcmbeC1.c1,2003,01 4:30:00,31 ,258.4529, 333.771,297.6739,18.80561
sgpcmbeC1.c1,2003,01 5:30:00,31 ,255.7168,332.0353,297.4261, 18.7818
sgpcmbeC1.c1,2003,01 6:30:00,31 ,256.2064, 331.297,296.5186,18.86942
sgpcmbeC1.c1,2003,01 7:30:00,31 ,257.2985,330.1466,295.9948,19.02751
sgpcmbeC1.c1,2003,01 8:30:00,31 , 259.626,340.8617,303.6963,19.16754
sgpcmbeC1.c1,2003,01 9:30:00,31 , 266.431,355.3402,316.7451,20.50329
sgpcmbeC1.c1,2003,0110:30:00,31 ,275.3072,370.8104,330.8318, 24.1157
sgpcmbeC1.c1,2003,0111:30:00,31 ,281.9015,399.9279, 344.172,27.36601
sgpcmbeC1.c1,2003,0112:30:00,31 ,289.5489,418.3789, 353.528,31.06062
sgpcmbeC1.c1,2003,0113:30:00,31 , 301.575,429.5222,359.5184,33.34786
sgpcmbeC1.c1,2003,0114:30:00,31 ,301.9138,424.0995,359.3431,33.38743
sgpcmbeC1.c1,2003,0115:30:00,31 ,297.0246,415.1724,354.4187,33.01838
sgpcmbeC1.c1,2003,0116:30:00,31 ,284.8093,396.8344,343.9346,29.84297
sgpcmbeC1.c1,2003,0117:30:00,31 ,272.1645,374.9266,327.2538,26.50471
sgpcmbeC1.c1,2003,0118:30:00,31 ,263.2645, 364.305,316.6513,25.17639
sgpcmbeC1.c1,2003,0119:30:00,31 ,254.7551,361.6682,313.3495,25.41786
sgpcmbeC1.c1,2003,0120:30:00,31 ,253.3408, 356.254,310.8175,24.46002
sgpcmbeC1.c1,2003,0121:30:00,31 ,256.0352,354.7516,310.2552,24.25568
sgpcmbeC1.c1,2003,0122:30:00,31 ,258.7871,351.8331,307.7515,23.45735
sgpcmbeC1.c1,2003,0123:30:00,31 ,260.8643,345.9541,305.1903,22.42118