datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,08 0:30:00,31 ,       0,0.247795,0.019953,0.056613
sgpcmbeC1.c1,2007,08 1:30:00,31 ,       0,0.196392,0.006874,0.035259
sgpcmbeC1.c1,2007,08 2:30:00,31 ,       0,0.134682,0.008767,0.027873
sgpcmbeC1.c1,2007,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,08 4:30:00,31 ,       0,0.154522,0.007453,0.030557
sgpcmbeC1.c1,2007,08 5:30:00,31 ,       0, 2.68743,0.636303,0.727894
sgpcmbeC1.c1,2007,08 6:30:00,31 ,0.520085,16.09275,10.13442,4.765967
sgpcmbeC1.c1,2007,08 7:30:00,31 ,1.136484,33.90921,15.31884,6.692858
sgpcmbeC1.c1,2007,08 8:30:00,31 , 4.57428, 41.6045,14.56707,7.253493
sgpcmbeC1.c1,2007,08 9:30:00,31 , 4.24097,42.97349,15.71208,11.18246
sgpcmbeC1.c1,2007,0810:30:00,31 ,2.604488,54.04411,22.27993,19.10405
sgpcmbeC1.c1,2007,0811:30:00,31 ,2.585732,65.25894,22.20977,21.00607
sgpcmbeC1.c1,2007,0812:30:00,31 ,0.690835,64.90356,26.29823,23.50306
sgpcmbeC1.c1,2007,0813:30:00,31 ,2.796162,65.29806,26.76225,21.32037
sgpcmbeC1.c1,2007,0814:30:00,31 ,5.528724,73.58602,22.00401,18.69569
sgpcmbeC1.c1,2007,0815:30:00,31 ,6.557577,58.66553,23.01596,15.97635
sgpcmbeC1.c1,2007,0816:30:00,31 ,3.834385,42.35141,18.51174,10.97392
sgpcmbeC1.c1,2007,0817:30:00,31 , 3.47149,26.08023,15.19028, 4.23885
sgpcmbeC1.c1,2007,0818:30:00,31 ,1.889507,17.73616, 11.5151,4.379921
sgpcmbeC1.c1,2007,0819:30:00,31 ,       0,3.902269,1.354461,1.324298
sgpcmbeC1.c1,2007,0820:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0821:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0823:30:00,31 ,       0,0.193264,0.007781,0.035484