datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,02 0:30:00,27 ,       0,0.228805,0.014145,0.051258
sgpcmbeC1.c1,2000,02 1:30:00,26 ,       0,0.064244, 0.00444,0.014188
sgpcmbeC1.c1,2000,02 2:30:00,25 ,       0,0.047424,0.004106,0.011553
sgpcmbeC1.c1,2000,02 3:30:00,26 ,       0,0.051417,0.001978,0.010084
sgpcmbeC1.c1,2000,02 4:30:00,26 ,       0,0.011176,0.000676,0.002346
sgpcmbeC1.c1,2000,02 5:30:00,27 ,       0,0.002169,0.000093, 0.00042
sgpcmbeC1.c1,2000,02 6:30:00,29 ,       0,0.162746,0.018432,0.044085
sgpcmbeC1.c1,2000,02 7:30:00,29 ,0.275356,37.31624,8.526805,10.66204
sgpcmbeC1.c1,2000,02 8:30:00,29 , 0.02795,207.7319,88.12578,67.41754
sgpcmbeC1.c1,2000,02 9:30:00,29 ,0.078205,405.0492,204.7245,141.9031
sgpcmbeC1.c1,2000,0210:30:00,29 ,0.179253,546.2334,310.3685,189.5273
sgpcmbeC1.c1,2000,0211:30:00,29 ,0.073738,652.3287,373.3331,217.2459
sgpcmbeC1.c1,2000,0212:30:00,29 ,0.939468,696.4835,380.2313,253.9944
sgpcmbeC1.c1,2000,0213:30:00,29 ,0.567665,679.6383,356.1598,243.8925
sgpcmbeC1.c1,2000,0214:30:00,29 ,0.246134,591.2422,310.8455,202.3848
sgpcmbeC1.c1,2000,0215:30:00,29 ,0.002518,448.2587,204.5071,154.1175
sgpcmbeC1.c1,2000,0216:30:00,29 ,0.013535,279.7338,120.6406,85.31709
sgpcmbeC1.c1,2000,0217:30:00,29 ,0.001083,96.22512,30.39142,30.28597
sgpcmbeC1.c1,2000,0218:30:00,29 ,0.071374,4.923976, 0.63536,1.021743
sgpcmbeC1.c1,2000,0219:30:00,29 ,       0, 0.02027,0.000699,0.003764
sgpcmbeC1.c1,2000,0220:30:00,28 ,       0,0.025267,0.000963,0.004769
sgpcmbeC1.c1,2000,0221:30:00,28 ,       0,0.108786,0.005054,0.020929
sgpcmbeC1.c1,2000,0222:30:00,28 ,       0,0.115015,0.009586,0.027236
sgpcmbeC1.c1,2000,0223:30:00,26 ,       0,0.131872,0.006392,0.025836