datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,12 0:30:00,31 ,       0,0.179558,0.036298,0.050461
twpcmbeC1.c1,1999,12 1:30:00,31 ,       0,0.124101,0.033437,0.043067
twpcmbeC1.c1,1999,12 2:30:00,31 ,       0,0.205283,0.041002,0.057703
twpcmbeC1.c1,1999,12 3:30:00,31 ,       0,0.216397,0.044294,0.069621
twpcmbeC1.c1,1999,12 4:30:00,30 ,       0,0.194598,0.017609,0.046028
twpcmbeC1.c1,1999,12 5:30:00,31 ,       0,2.604554,0.900863,0.704681
twpcmbeC1.c1,1999,12 6:30:00,31 ,6.348411,43.18069,22.70646,10.01206
twpcmbeC1.c1,1999,12 7:30:00,31 ,3.764147,46.15968,22.39463, 13.7186
twpcmbeC1.c1,1999,12 8:30:00,31 ,0.414067,88.85011,32.99752,24.66974
twpcmbeC1.c1,1999,12 9:30:00,31 ,1.242289,90.12005,34.69107, 24.9596
twpcmbeC1.c1,1999,1210:30:00,31 ,2.622005, 86.8195,36.85664,23.92333
twpcmbeC1.c1,1999,1211:30:00,31 ,1.050336,140.7223, 47.6151,39.66141
twpcmbeC1.c1,1999,1212:30:00,31 ,1.144002,165.1201,55.42918,49.71121
twpcmbeC1.c1,1999,1213:30:00,31 ,0.420457,118.8625,34.08812,32.22104
twpcmbeC1.c1,1999,1214:30:00,31 ,2.230154,106.0544,37.99937, 28.9547
twpcmbeC1.c1,1999,1215:30:00,31 ,1.914503,66.48314, 27.8548,18.68036
twpcmbeC1.c1,1999,1216:30:00,31 ,4.538103,69.54512, 24.3553,15.19471
twpcmbeC1.c1,1999,1217:30:00,31 ,9.637109, 37.3954,21.42426,7.893738
twpcmbeC1.c1,1999,1218:30:00,31 ,0.194794,8.697947, 4.00028,2.471929
twpcmbeC1.c1,1999,1219:30:00,31 ,       0,0.323096,0.127728,0.118306
twpcmbeC1.c1,1999,1220:30:00,31 ,       0,0.267609, 0.08307,0.094529
twpcmbeC1.c1,1999,1221:30:00,31 ,       0,0.202993,0.047951, 0.06146
twpcmbeC1.c1,1999,1222:30:00,31 ,       0,0.149701,0.038973,0.047399
twpcmbeC1.c1,1999,1223:30:00,31 ,       0, 0.14959,0.041871,  0.0514