datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,10 6:30:00,31 ,       0,21.16852,8.348841,6.279168
sgpcmbeC1.c1,2001,10 7:30:00,31 ,8.383948,74.04276,46.70546,16.27044
sgpcmbeC1.c1,2001,10 8:30:00,31 ,15.79068,128.3107,62.07781,22.19125
sgpcmbeC1.c1,2001,10 9:30:00,31 ,25.31307,119.3815,61.21395,24.77133
sgpcmbeC1.c1,2001,1010:30:00,31 ,29.38814,154.6374,57.94998,37.23075
sgpcmbeC1.c1,2001,1011:30:00,31 ,12.89604,254.6906,68.56111,76.10142
sgpcmbeC1.c1,2001,1012:30:00,31 ,4.538851,284.5552,49.75313,67.24045
sgpcmbeC1.c1,2001,1013:30:00,31 ,20.95505,207.9587,57.05709,61.25903
sgpcmbeC1.c1,2001,1014:30:00,31 ,30.15149,226.8908,62.96252,46.18079
sgpcmbeC1.c1,2001,1015:30:00,31 ,19.70868, 165.058,61.68175,25.49889
sgpcmbeC1.c1,2001,1016:30:00,31 ,8.481633,122.1311,58.59417,19.49062
sgpcmbeC1.c1,2001,1017:30:00,31 ,6.051158,77.05514,33.47691,17.24929
sgpcmbeC1.c1,2001,1018:30:00,31 ,       0,4.721643,1.037654,1.406573
sgpcmbeC1.c1,2001,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1023:30:00,31 ,       0,       0,       0,       0