datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,01 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,01 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,01 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,01 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,01 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,01 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,01 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,01 7:30:00,1 ,0.981683,0.981683,0.981683,       .
sgpcmbeC1.c1,2005,01 8:30:00,30 ,0.010531,0.999577,0.557839,0.470311
sgpcmbeC1.c1,2005,01 9:30:00,31 ,0.008833,0.999988,0.635626,0.467945
sgpcmbeC1.c1,2005,0110:30:00,31 ,0.008815,       1,0.636436,0.463573
sgpcmbeC1.c1,2005,0111:30:00,31 ,0.010756,       1,0.657625,0.457314
sgpcmbeC1.c1,2005,0112:30:00,31 ,0.014092,       1,0.663889,0.417471
sgpcmbeC1.c1,2005,0113:30:00,31 ,0.016205,0.999928,0.651345,0.441547
sgpcmbeC1.c1,2005,0114:30:00,30 ,0.011587,0.999879,0.671723,0.439944
sgpcmbeC1.c1,2005,0115:30:00,31 ,0.009343,0.999365,0.647623,0.437587
sgpcmbeC1.c1,2005,0116:30:00,31 ,0.009847,0.999344, 0.59568,0.442777
sgpcmbeC1.c1,2005,0117:30:00,22 ,0.009505,0.986288, 0.49889,0.412183
sgpcmbeC1.c1,2005,0118:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0119:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0120:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0121:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0122:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0123:30:00,0 ,       .,       .,       .,       .