datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,08 0:30:00,18 ,       0,118.0019,9.704821,27.50814
sgpcmbeC1.c1,2001,08 1:30:00,18 ,       0,48.06468,6.913821,13.58184
sgpcmbeC1.c1,2001,08 2:30:00,18 ,       0,76.24961,9.075671,19.79315
sgpcmbeC1.c1,2001,08 3:30:00,18 ,       0,126.4024,13.24344,31.55985
sgpcmbeC1.c1,2001,08 4:30:00,18 ,       0,22.65011,3.404606,6.028884
sgpcmbeC1.c1,2001,08 5:30:00,18 ,       0,17.23672,3.459011,4.670819
sgpcmbeC1.c1,2001,08 6:30:00,18 ,       0,76.26496,6.876817,17.97021
sgpcmbeC1.c1,2001,08 7:30:00,18 ,       0,118.1686,8.522699,27.54782
sgpcmbeC1.c1,2001,08 8:30:00,19 ,       0,42.59185,3.629622,9.896103
sgpcmbeC1.c1,2001,08 9:30:00,19 ,       0,26.02264, 4.75884,7.172566
sgpcmbeC1.c1,2001,0810:30:00,19 ,       0,24.65594,4.894704,7.816756
sgpcmbeC1.c1,2001,0811:30:00,20 ,       0,211.3882,13.33077,46.80718
sgpcmbeC1.c1,2001,0812:30:00,20 ,       0, 72.5393,9.136286,16.93655
sgpcmbeC1.c1,2001,0813:30:00,20 ,       0,65.97546, 7.63244,15.30377
sgpcmbeC1.c1,2001,0814:30:00,19 ,       0,36.62922,5.146175,9.732854
sgpcmbeC1.c1,2001,0815:30:00,19 ,       0,206.8073,15.85995,47.39437
sgpcmbeC1.c1,2001,0816:30:00,19 ,       0,335.0742,21.29079, 76.3742
sgpcmbeC1.c1,2001,0817:30:00,19 ,       0,214.7397,18.37977,52.26034
sgpcmbeC1.c1,2001,0818:30:00,19 ,       0,  276.58,16.72419,63.09652
sgpcmbeC1.c1,2001,0819:30:00,19 ,       0,315.0486,18.03838,71.98431
sgpcmbeC1.c1,2001,0820:30:00,19 ,       0,11.87216,1.418853,3.051773
sgpcmbeC1.c1,2001,0821:30:00,19 ,       0,11.48838,1.674586, 3.29174
sgpcmbeC1.c1,2001,0822:30:00,20 ,       0,57.80588,5.359886,13.22559
sgpcmbeC1.c1,2001,0823:30:00,18 ,       0,38.89812,6.296904,11.04367