datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2007,12 0:30:00,31 ,       0,0.027216,0.000888,0.004887
twpcmbeC2.c1,2007,12 1:30:00,31 ,       0,0.000256, 8.26E-6,0.000046
twpcmbeC2.c1,2007,12 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,12 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,12 4:30:00,31 ,       0,0.001581,0.000051,0.000284
twpcmbeC2.c1,2007,12 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,12 6:30:00,31 ,2.551076,9.569692,5.867495,1.969093
twpcmbeC2.c1,2007,12 7:30:00,31 ,  13.355,45.39265,25.56557,8.015559
twpcmbeC2.c1,2007,12 8:30:00,31 ,5.914632,61.21864,28.14132, 12.8548
twpcmbeC2.c1,2007,12 9:30:00,31 ,14.56137,104.7359,39.73806,21.75537
twpcmbeC2.c1,2007,1210:30:00,31 ,5.337197,80.88686,40.81409,16.73128
twpcmbeC2.c1,2007,1211:30:00,31 ,16.11316,123.8281,55.25868,25.33543
twpcmbeC2.c1,2007,1212:30:00,31 , 9.87526,128.5089,57.29882,31.23072
twpcmbeC2.c1,2007,1213:30:00,31 , 5.56945,117.7594, 53.4891,28.57872
twpcmbeC2.c1,2007,1214:30:00,31 ,20.32055,135.0213,53.80115,30.06574
twpcmbeC2.c1,2007,1215:30:00,31 ,8.783177,133.6708,40.14137,25.58332
twpcmbeC2.c1,2007,1216:30:00,31 ,4.631376,99.34018,35.52147,20.06877
twpcmbeC2.c1,2007,1217:30:00,31 ,7.371857,47.80643,23.97964,12.25232
twpcmbeC2.c1,2007,1218:30:00,31 ,13.15475,33.46413,22.77096,5.114047
twpcmbeC2.c1,2007,1219:30:00,31 ,       0,1.437354, 0.42493,0.372553
twpcmbeC2.c1,2007,1220:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,1221:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,1222:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,1223:30:00,31 ,       0,0.000088,2.853E-6,0.000016