datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,01 0:30:00,8 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,01 1:30:00,9 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,01 2:30:00,8 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,01 3:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,01 4:30:00,14 ,       0, 3.87307,0.276648,1.035121
sgpcmbeC1.c1,2001,01 5:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,01 6:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,01 7:30:00,31 ,       0,9.855585,4.087744,2.239153
sgpcmbeC1.c1,2001,01 8:30:00,31 ,4.347322,141.2083,86.51009,41.12814
sgpcmbeC1.c1,2001,01 9:30:00,31 ,12.19897,336.7365, 215.701,96.25289
sgpcmbeC1.c1,2001,0110:30:00,31 ,34.57589,494.2756,332.3685,138.7881
sgpcmbeC1.c1,2001,0111:30:00,31 ,51.55034,603.4333,410.6882,174.0317
sgpcmbeC1.c1,2001,0112:30:00,31 ,49.61048,648.9041,438.0712,179.2203
sgpcmbeC1.c1,2001,0113:30:00,31 ,57.96228,630.2175,424.3011,172.3022
sgpcmbeC1.c1,2001,0114:30:00,31 ,61.34672,549.4011,372.5542,138.4829
sgpcmbeC1.c1,2001,0115:30:00,31 , 44.5993,413.0937,261.9753,110.0613
sgpcmbeC1.c1,2001,0116:30:00,31 ,17.24787,234.7494,124.1422,61.80876
sgpcmbeC1.c1,2001,0117:30:00,31 ,0.496898,54.52296,17.99956,13.61591
sgpcmbeC1.c1,2001,0118:30:00,30 ,       0,0.072378,0.002413,0.013214
sgpcmbeC1.c1,2001,0119:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0120:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0121:30:00,15 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0122:30:00,15 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0123:30:00,10 ,       0,       0,       0,       0