datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,08 0:30:00,31 ,       0,0.118311,0.003816,0.021249
twpcmbeC1.c1,1999,08 1:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,08 2:30:00,31 ,       0,0.205701,0.008543,  0.0381
twpcmbeC1.c1,1999,08 3:30:00,31 ,       0,0.369094,0.015054,0.068001
twpcmbeC1.c1,1999,08 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,08 5:30:00,31 ,       0,0.031229,0.001007,0.005609
twpcmbeC1.c1,1999,08 6:30:00,31 ,0.758935,45.01904,18.52102,9.924562
twpcmbeC1.c1,1999,08 7:30:00,31 ,18.14223,161.9926,97.78945,32.22277
twpcmbeC1.c1,1999,08 8:30:00,31 ,74.33358,285.7546,170.9151,64.03339
twpcmbeC1.c1,1999,08 9:30:00,31 ,64.71532,403.4025,193.7604,82.16002
twpcmbeC1.c1,1999,0810:30:00,31 ,66.26583,442.3553,212.1146,120.5007
twpcmbeC1.c1,1999,0811:30:00,31 ,60.59742,587.7109,253.6244,148.7566
twpcmbeC1.c1,1999,0812:30:00,31 ,49.67995,623.1821,269.0202, 168.063
twpcmbeC1.c1,1999,0813:30:00,31 ,35.85119,533.4603,262.5091,141.5511
twpcmbeC1.c1,1999,0814:30:00,31 ,33.36597,398.5824, 203.143,112.2803
twpcmbeC1.c1,1999,0815:30:00,31 ,25.11546,330.0913,166.5444,78.87935
twpcmbeC1.c1,1999,0816:30:00,31 ,17.73997, 255.406,128.6612,57.26558
twpcmbeC1.c1,1999,0817:30:00,31 ,11.74992,88.62123,47.89547,20.19122
twpcmbeC1.c1,1999,0818:30:00,31 ,       0,5.269004,1.818273,1.347311
twpcmbeC1.c1,1999,0819:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0820:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0821:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0822:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0823:30:00,31 ,       0,       0,       0,       0