datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,01 0:30:00,25 ,       0,3440.216,250.6823,731.6786
sgpcmbeC1.c1,2005,01 1:30:00,24 ,       0,3889.007,275.1186,823.1529
sgpcmbeC1.c1,2005,01 2:30:00,24 ,       0,4286.532,320.5109,907.7935
sgpcmbeC1.c1,2005,01 3:30:00,24 ,       0,3465.049,358.2653,945.3562
sgpcmbeC1.c1,2005,01 4:30:00,24 ,       0,2976.311,269.8502,700.8218
sgpcmbeC1.c1,2005,01 5:30:00,24 ,       0, 2153.54, 229.597,505.2498
sgpcmbeC1.c1,2005,01 6:30:00,24 ,       0,1723.478,267.0888,509.6103
sgpcmbeC1.c1,2005,01 7:30:00,24 ,       0,3461.941,307.9411,748.7662
sgpcmbeC1.c1,2005,01 8:30:00,26 ,       0,2194.625,194.2274,453.3692
sgpcmbeC1.c1,2005,01 9:30:00,25 ,       0,4052.394,251.0934, 805.567
sgpcmbeC1.c1,2005,0110:30:00,25 ,       0,3963.395,232.0145,787.5337
sgpcmbeC1.c1,2005,0111:30:00,25 ,       0,4002.861,247.6717,807.8676
sgpcmbeC1.c1,2005,0112:30:00,25 ,       0,3471.386,211.3128, 693.773
sgpcmbeC1.c1,2005,0113:30:00,25 ,       0,2607.637,169.9089,522.7702
sgpcmbeC1.c1,2005,0114:30:00,25 ,       0,3646.315,204.7968,725.1617
sgpcmbeC1.c1,2005,0115:30:00,25 ,       0,4576.415,243.2713,  908.38
sgpcmbeC1.c1,2005,0116:30:00,25 ,       0,4538.042,246.5322,899.5883
sgpcmbeC1.c1,2005,0117:30:00,25 ,       0,4384.729,279.6444,897.9637
sgpcmbeC1.c1,2005,0118:30:00,25 ,       0, 4322.99,279.5627,896.3192
sgpcmbeC1.c1,2005,0119:30:00,25 ,       0,3693.457,231.9384,748.3275
sgpcmbeC1.c1,2005,0120:30:00,25 ,       0,3264.833,221.0623,672.2888
sgpcmbeC1.c1,2005,0121:30:00,25 ,       0,3442.372,322.1963,938.7949
sgpcmbeC1.c1,2005,0122:30:00,25 ,       0,3301.398,284.2739, 806.625
sgpcmbeC1.c1,2005,0123:30:00,25 ,       0,2818.248,241.5146, 651.855