datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,1999,12 0:30:00,29 ,       0,40.61219,8.492567,10.10458
twpcmbeC2.c1,1999,12 1:30:00,29 ,       0,31.39898,10.49887,8.679671
twpcmbeC2.c1,1999,12 2:30:00,29 ,       0,77.18034,12.83032,14.99239
twpcmbeC2.c1,1999,12 3:30:00,29 ,       0,73.60654,12.41709,14.24045
twpcmbeC2.c1,1999,12 4:30:00,29 ,0.062323,45.81668,13.21502,11.34144
twpcmbeC2.c1,1999,12 5:30:00,29 ,       0,29.20938,9.256895,7.887865
twpcmbeC2.c1,1999,12 6:30:00,29 ,0.042528,28.52294,9.056752,6.852205
twpcmbeC2.c1,1999,12 7:30:00,29 ,       0,43.41751,  11.721,11.09622
twpcmbeC2.c1,1999,12 8:30:00,29 ,0.095509,37.41725, 11.3135,8.993669
twpcmbeC2.c1,1999,12 9:30:00,29 ,       0,52.55039,13.99335,12.07307
twpcmbeC2.c1,1999,1210:30:00,29 ,       0,77.78841,14.61891,15.50744
twpcmbeC2.c1,1999,1211:30:00,29 ,       0,105.4332,16.01168,20.48585
twpcmbeC2.c1,1999,1212:30:00,29 ,0.739369,150.9944,21.53129, 27.9964
twpcmbeC2.c1,1999,1213:30:00,29 , 2.93903,160.3778,20.94026,29.13953
twpcmbeC2.c1,1999,1214:30:00,29 ,       0, 177.244,23.54045, 33.0056
twpcmbeC2.c1,1999,1215:30:00,29 ,0.779929,106.6364,20.95058,22.90723
twpcmbeC2.c1,1999,1216:30:00,29 ,1.968131,100.8949,22.73449,22.05756
twpcmbeC2.c1,1999,1217:30:00,29 ,       0,106.8093,15.82336,23.10797
twpcmbeC2.c1,1999,1218:30:00,29 ,       0,47.41445,9.060125,10.46701
twpcmbeC2.c1,1999,1219:30:00,29 ,       0,54.19509,9.681089,12.18446
twpcmbeC2.c1,1999,1220:30:00,29 ,       0,63.85608,11.56511, 14.9979
twpcmbeC2.c1,1999,1221:30:00,29 ,       0,72.10104,11.68184,14.79562
twpcmbeC2.c1,1999,1222:30:00,29 ,       0, 48.6879,11.81913,13.62445
twpcmbeC2.c1,1999,1223:30:00,29 ,       0, 33.0928,9.826618,9.924483