datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2005,03 0:30:00,31 ,       0,0.454696,0.029144, 0.08964
twpcmbeC1.c1,2005,03 1:30:00,31 ,       0,0.396613,0.041593,0.107782
twpcmbeC1.c1,2005,03 2:30:00,31 ,       0,0.344686,0.015692, 0.06615
twpcmbeC1.c1,2005,03 3:30:00,31 ,       0,0.339417,0.028265,0.081091
twpcmbeC1.c1,2005,03 4:30:00,31 ,       0,0.133537,0.008419,0.032597
twpcmbeC1.c1,2005,03 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,03 6:30:00,31 ,0.018448,32.04616, 9.30243,10.88108
twpcmbeC1.c1,2005,03 7:30:00,31 ,0.035341,88.21326,45.36118,27.59184
twpcmbeC1.c1,2005,03 8:30:00,31 ,0.139151, 162.469, 67.6754,50.13751
twpcmbeC1.c1,2005,03 9:30:00,31 ,0.706528,248.1129,96.48039,84.35094
twpcmbeC1.c1,2005,0310:30:00,31 ,0.806758, 311.252,117.9433,106.8625
twpcmbeC1.c1,2005,0311:30:00,31 , 0.54611,363.2553,165.8528,127.1588
twpcmbeC1.c1,2005,0312:30:00,31 ,0.745521,379.9344,  165.93,129.5527
twpcmbeC1.c1,2005,0313:30:00,31 ,1.296792, 347.631,140.3201,104.2837
twpcmbeC1.c1,2005,0314:30:00,31 ,0.553734,327.3892,143.9559,103.3612
twpcmbeC1.c1,2005,0315:30:00,31 ,0.245931,283.3169,101.0981,81.38066
twpcmbeC1.c1,2005,0316:30:00,31 ,       0, 180.528,64.48735,53.79694
twpcmbeC1.c1,2005,0317:30:00,31 ,       0,80.92619,29.31963, 30.0622
twpcmbeC1.c1,2005,0318:30:00,31 ,       0,9.681849,1.105867,2.173672
twpcmbeC1.c1,2005,0319:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,0320:30:00,31 ,       0,0.168282,0.009716,0.037884
twpcmbeC1.c1,2005,0321:30:00,31 ,       0,0.380641,0.037594,0.103716
twpcmbeC1.c1,2005,0322:30:00,31 ,       0,0.297258,0.053532,0.093148
twpcmbeC1.c1,2005,0323:30:00,31 ,       0,0.424338,0.065286,0.133086