datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,08 0:30:00,31 ,       0, 4.72781,0.643544,1.147492
sgpcmbeC1.c1,2001,08 1:30:00,31 ,       0,4.647957,0.747111,1.168897
sgpcmbeC1.c1,2001,08 2:30:00,31 ,       0, 4.31904,0.658536,1.074764
sgpcmbeC1.c1,2001,08 3:30:00,30 ,       0, 5.10214,  0.7019,1.160944
sgpcmbeC1.c1,2001,08 4:30:00,31 ,       0,6.329673,0.805111,  1.4265
sgpcmbeC1.c1,2001,08 5:30:00,31 ,0.070505,6.853988,1.823601,1.703499
sgpcmbeC1.c1,2001,08 6:30:00,31 ,23.45434,106.4317,68.50821, 24.3112
sgpcmbeC1.c1,2001,08 7:30:00,31 ,107.0014,296.9191,228.6167, 53.6196
sgpcmbeC1.c1,2001,08 8:30:00,31 ,158.5914,494.1912,418.4824,92.75239
sgpcmbeC1.c1,2001,08 9:30:00,31 ,284.5807,716.5504,601.9117,103.9818
sgpcmbeC1.c1,2001,0810:30:00,31 ,303.6832,827.8928,711.6453,137.4685
sgpcmbeC1.c1,2001,0811:30:00,31 ,118.2205,920.6299,750.9455, 215.415
sgpcmbeC1.c1,2001,0812:30:00,31 ,261.3498,951.2864,809.7528,163.2892
sgpcmbeC1.c1,2001,0813:30:00,31 ,432.5352,913.6635,807.3658,117.1873
sgpcmbeC1.c1,2001,0814:30:00,31 ,389.3595,825.7681,706.7685, 128.269
sgpcmbeC1.c1,2001,0815:30:00,31 ,177.4937,696.7873,559.4999,133.7538
sgpcmbeC1.c1,2001,0816:30:00,31 ,16.09303,554.1144,411.8439, 125.566
sgpcmbeC1.c1,2001,0817:30:00,31 ,3.540238,336.1805,235.2545,75.19068
sgpcmbeC1.c1,2001,0818:30:00,31 ,0.069355,153.7776, 83.2864,37.54413
sgpcmbeC1.c1,2001,0819:30:00,31 ,0.108422,17.95921,5.132749,4.505766
sgpcmbeC1.c1,2001,0820:30:00,31 ,       0,3.166119,0.358311,0.640068
sgpcmbeC1.c1,2001,0821:30:00,31 ,       0,3.896177,0.481846,0.802066
sgpcmbeC1.c1,2001,0822:30:00,31 ,       0,3.962327,0.500739,0.870391
sgpcmbeC1.c1,2001,0823:30:00,31 ,       0,3.141023,0.471294,0.777162