datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,11 0:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 1:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 2:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 3:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 6:30:00,30 ,       0,2.603199,0.261915,0.613301
sgpcmbeC1.c1,2001,11 7:30:00,30 ,       0,47.68959,21.80963, 14.4661
sgpcmbeC1.c1,2001,11 8:30:00,30 ,       0,103.0701,43.65855,23.98869
sgpcmbeC1.c1,2001,11 9:30:00,30 ,3.265561,140.7826,51.11933,30.98707
sgpcmbeC1.c1,2001,1110:30:00,30 ,7.545292,170.3401,56.37479,38.85004
sgpcmbeC1.c1,2001,1111:30:00,30 ,10.92299,174.2238,56.84427,49.70958
sgpcmbeC1.c1,2001,1112:30:00,30 ,3.178259, 204.396,64.29298,55.98915
sgpcmbeC1.c1,2001,1113:30:00,30 ,8.159752, 178.825,57.68539,45.78789
sgpcmbeC1.c1,2001,1114:30:00,30 ,4.943541,175.4124,57.70377,35.98323
sgpcmbeC1.c1,2001,1115:30:00,30 ,8.809921,101.1971, 46.3696,21.86295
sgpcmbeC1.c1,2001,1116:30:00,30 ,4.695758,71.63728,41.78098,19.09955
sgpcmbeC1.c1,2001,1117:30:00,30 ,       0,17.54056,7.105232,4.450223
sgpcmbeC1.c1,2001,1118:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1119:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1120:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1121:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1122:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1123:30:00,27 ,       0,       0,       0,       0