datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,06 0:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,06 1:30:00,28 ,       0,       0,       0,       0
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 ,0.227033,10.71788,2.489889,2.035016
twpcmbeC2.c1,2002,06 7:30:00,30 ,6.833901,  91.202, 36.2603,17.38698
twpcmbeC2.c1,2002,06 8:30:00,30 ,5.392235,97.51495,41.94628,20.10756
twpcmbeC2.c1,2002,06 9:30:00,30 ,12.49065,117.4075,43.87361,23.19419
twpcmbeC2.c1,2002,0610:30:00,30 ,  11.141,82.79986,39.00387,19.98009
twpcmbeC2.c1,2002,0611:30:00,30 ,12.27417,132.4234,45.56652,26.85111
twpcmbeC2.c1,2002,0612:30:00,30 ,6.455742,121.2934,54.92661, 27.8274
twpcmbeC2.c1,2002,0613:30:00,30 ,3.234153,143.9879,58.80266, 34.0038
twpcmbeC2.c1,2002,0614:30:00,30 ,6.330921,104.9456,48.10954,27.38039
twpcmbeC2.c1,2002,0615:30:00,30 ,11.32634,129.3641,50.22983,27.69741
twpcmbeC2.c1,2002,0616:30:00,30 ,5.096432,86.11221,32.30507,18.85212
twpcmbeC2.c1,2002,0617:30:00,30 ,7.437419,69.01653,27.70672,15.84283
twpcmbeC2.c1,2002,0618:30:00,30 ,2.116269,47.92211, 19.8063,9.473107
twpcmbeC2.c1,2002,0619:30:00,30 ,       0,0.709622,0.132036,0.174388
twpcmbeC2.c1,2002,0620:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0621:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0622:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0623:30:00,28 ,       0,       0,       0,       0