datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,06 0:30:00,28 ,       0,0.133801, 0.01063,0.032322
twpcmbeC2.c1,2002,06 1:30:00,28 ,       0, 0.05031,0.004269,0.012169
twpcmbeC2.c1,2002,06 2:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,06 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,06 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,06 5:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,06 6:30:00,30 ,0.000036,0.008745,0.002395, 0.00202
twpcmbeC2.c1,2002,06 7:30:00,30 ,0.065201,15.19231,5.204951,5.060116
twpcmbeC2.c1,2002,06 8:30:00,30 ,0.098549,113.1779, 48.9443,41.90898
twpcmbeC2.c1,2002,06 9:30:00,30 ,0.074249,444.6809,213.1079,166.6073
twpcmbeC2.c1,2002,0610:30:00,30 ,0.377152,620.1818,312.9136,226.5353
twpcmbeC2.c1,2002,0611:30:00,30 ,2.546654,775.2162,369.8267,274.1678
twpcmbeC2.c1,2002,0612:30:00,30 ,2.083694,834.0751,391.4309, 283.506
twpcmbeC2.c1,2002,0613:30:00,30 , 0.77462,804.4708,341.2715,279.9558
twpcmbeC2.c1,2002,0614:30:00,30 ,0.069218, 716.454,287.1242,277.3752
twpcmbeC2.c1,2002,0615:30:00,30 ,1.073799,608.2089,228.2762,214.5509
twpcmbeC2.c1,2002,0616:30:00,30 ,0.943359,396.8278,165.8223,142.0187
twpcmbeC2.c1,2002,0617:30:00,30 ,0.009592,200.1243,80.05118,72.63378
twpcmbeC2.c1,2002,0618:30:00,30 ,0.014619, 36.2971,11.31301,12.33022
twpcmbeC2.c1,2002,0619:30:00,30 ,       0,0.006336,0.001023,0.001939
twpcmbeC2.c1,2002,0620:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0621:30:00,30 ,       0,0.037518, 0.00215,0.007585
twpcmbeC2.c1,2002,0622:30:00,30 ,       0,0.102642,0.004016,0.018764
twpcmbeC2.c1,2002,0623:30:00,28 ,       0,0.107566,  0.0072,0.024421