datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,05 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,05 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,05 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,05 3:30:00,31 ,       0,0.303674,0.009796,0.054541
sgpcmbeC1.c1,2001,05 4:30:00,30 ,       0,1.536118,0.051204,0.280455
sgpcmbeC1.c1,2001,05 5:30:00,31 ,       0,12.07059,2.868125,3.929608
sgpcmbeC1.c1,2001,05 6:30:00,31 ,       0,138.5716, 50.2128,49.40312
sgpcmbeC1.c1,2001,05 7:30:00,30 ,0.119797,323.9007,152.4947,122.7927
sgpcmbeC1.c1,2001,05 8:30:00,30 , 0.22966,515.3671,277.8328,194.4475
sgpcmbeC1.c1,2001,05 9:30:00,31 ,0.136253,678.2705,375.6477,271.5112
sgpcmbeC1.c1,2001,0510:30:00,31 ,1.013077, 804.701, 467.732,293.2728
sgpcmbeC1.c1,2001,0511:30:00,31 ,1.487122,891.7529, 507.669,330.8173
sgpcmbeC1.c1,2001,0512:30:00,31 ,0.082508, 922.609,522.4167,349.8653
sgpcmbeC1.c1,2001,0513:30:00,31 ,1.365051,884.1095,465.5143,343.8394
sgpcmbeC1.c1,2001,0514:30:00,31 ,0.001389,753.2209,414.1865,291.5757
sgpcmbeC1.c1,2001,0515:30:00,31 ,       0,615.0231,305.0509,233.6414
sgpcmbeC1.c1,2001,0516:30:00,30 ,       0,441.7144,221.0551,160.8058
sgpcmbeC1.c1,2001,0517:30:00,30 ,       0, 269.193,136.0519,104.2706
sgpcmbeC1.c1,2001,0518:30:00,31 ,       0, 112.069,44.64214,36.18904
sgpcmbeC1.c1,2001,0519:30:00,31 ,       0,8.173491,1.530335,2.130486
sgpcmbeC1.c1,2001,0520:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0521:30:00,29 ,       0,3.442008,0.227264,0.850705
sgpcmbeC1.c1,2001,0522:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0523:30:00,30 ,       0,3.275795,0.109193,0.598076