datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,12 0:30:00,31 , 257.745,382.8438,316.9304,28.64076
sgpcmbeC1.c1,2002,12 1:30:00,31 , 264.724,380.9973,315.4348,28.34098
sgpcmbeC1.c1,2002,12 2:30:00,31 ,266.5432,374.9459,314.3643,27.42974
sgpcmbeC1.c1,2002,12 3:30:00,31 ,264.5814,366.2838,313.2217, 27.0278
sgpcmbeC1.c1,2002,12 4:30:00,31 , 266.446,366.9177,311.7108,26.54749
sgpcmbeC1.c1,2002,12 5:30:00,31 ,267.7577,363.6544,311.3691,24.51153
sgpcmbeC1.c1,2002,12 6:30:00,31 ,265.6257,356.9557,310.5098,23.18724
sgpcmbeC1.c1,2002,12 7:30:00,31 , 254.663,345.2304, 309.292,22.76534
sgpcmbeC1.c1,2002,12 8:30:00,31 ,251.6852,345.5384,313.7337, 22.6581
sgpcmbeC1.c1,2002,12 9:30:00,31 ,264.4307,358.9985,323.9439,23.13596
sgpcmbeC1.c1,2002,1210:30:00,31 , 274.643, 379.645,334.7083,26.39819
sgpcmbeC1.c1,2002,1211:30:00,31 ,284.3158,400.4074,343.7678,30.69007
sgpcmbeC1.c1,2002,1212:30:00,31 ,291.0461,409.5652,349.8582,34.44445
sgpcmbeC1.c1,2002,1213:30:00,31 ,295.1522,411.0864,351.8964,35.33438
sgpcmbeC1.c1,2002,1214:30:00,31 ,296.3053,408.3421,351.0966,34.11383
sgpcmbeC1.c1,2002,1215:30:00,31 ,291.7625,399.5471,346.7609,  31.422
sgpcmbeC1.c1,2002,1216:30:00,31 ,281.0435,386.4048,338.4374,27.96255
sgpcmbeC1.c1,2002,1217:30:00,31 ,270.0218,382.5828,327.9251,26.62233
sgpcmbeC1.c1,2002,1218:30:00,31 ,267.5493,382.7074,324.1361, 27.4482
sgpcmbeC1.c1,2002,1219:30:00,31 ,264.1502,389.9489,323.3643,26.95253
sgpcmbeC1.c1,2002,1220:30:00,31 , 259.645,396.1773,322.5318,28.03736
sgpcmbeC1.c1,2002,1221:30:00,31 ,261.2406, 398.657,321.3629,28.78048
sgpcmbeC1.c1,2002,1222:30:00,31 ,257.8127,384.3036,319.4008,28.58624
sgpcmbeC1.c1,2002,1223:30:00,31 , 255.962,385.8761,318.3081,28.87536