datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,12 0:30:00,31 ,       0,0.625602,0.064202, 0.17257
twpcmbeC1.c1,2004,12 1:30:00,31 ,       0,0.370177,0.044275,0.097841
twpcmbeC1.c1,2004,12 2:30:00,31 ,       0,0.360161, 0.02306, 0.07674
twpcmbeC1.c1,2004,12 3:30:00,31 ,       0,0.207888,0.009916,0.040853
twpcmbeC1.c1,2004,12 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,12 5:30:00,31 ,       0,2.194027,0.654401,0.546415
twpcmbeC1.c1,2004,12 6:30:00,31 ,10.95593,62.77443, 40.2628, 15.6592
twpcmbeC1.c1,2004,12 7:30:00,31 ,5.029271,145.8381,72.33903,27.05095
twpcmbeC1.c1,2004,12 8:30:00,31 ,17.49127,177.3838,94.06829, 40.7886
twpcmbeC1.c1,2004,12 9:30:00,31 ,14.51362,290.1766,119.6217,70.16545
twpcmbeC1.c1,2004,1210:30:00,31 ,14.36636,  397.44,147.9486,113.7641
twpcmbeC1.c1,2004,1211:30:00,31 ,3.435315,412.2237,161.4835,115.8906
twpcmbeC1.c1,2004,1212:30:00,31 ,7.273901,411.8662,159.5213,111.5503
twpcmbeC1.c1,2004,1213:30:00,31 ,16.60458,371.8874, 157.211,117.5911
twpcmbeC1.c1,2004,1214:30:00,31 ,9.347679,311.6187,121.9671,79.20217
twpcmbeC1.c1,2004,1215:30:00,31 ,6.356106, 158.201,83.95443,47.36973
twpcmbeC1.c1,2004,1216:30:00,31 ,3.090258,144.0003,62.47936, 49.2614
twpcmbeC1.c1,2004,1217:30:00,31 , 1.56585, 91.1309,35.75816,22.86345
twpcmbeC1.c1,2004,1218:30:00,31 ,0.156348,19.28239,4.485671,3.732551
twpcmbeC1.c1,2004,1219:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,1220:30:00,31 ,       0,0.278439,0.008982,0.050009
twpcmbeC1.c1,2004,1221:30:00,31 ,       0,0.339297,0.015229,0.064696
twpcmbeC1.c1,2004,1222:30:00,31 ,       0,0.450929,0.043391,0.118801
twpcmbeC1.c1,2004,1223:30:00,31 ,       0,0.598582,0.070656,0.160593