datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,08 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,08 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,08 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,08 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,08 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,08 5:30:00,3 ,0.011779,0.385905,0.188766,0.187875
sgpcmbeC1.c1,2001,08 6:30:00,20 ,0.004775,0.939088,0.314201,0.326576
sgpcmbeC1.c1,2001,08 7:30:00,19 ,0.001213,       1, 0.21086,0.254849
sgpcmbeC1.c1,2001,08 8:30:00,19 ,0.000958,0.962442,0.205379,0.285195
sgpcmbeC1.c1,2001,08 9:30:00,23 ,0.000484,0.927312,0.237119,0.290162
sgpcmbeC1.c1,2001,0810:30:00,24 ,0.000795,       1,0.231796,0.355438
sgpcmbeC1.c1,2001,0811:30:00,24 ,0.001061,       1,0.220424,0.330868
sgpcmbeC1.c1,2001,0812:30:00,23 ,0.005822,0.997739, 0.23857,0.308228
sgpcmbeC1.c1,2001,0813:30:00,24 ,0.005581,       1,0.257742,0.337851
sgpcmbeC1.c1,2001,0814:30:00,25 ,0.004967,       1,0.278205,0.330968
sgpcmbeC1.c1,2001,0815:30:00,25 ,0.002816,       1,0.353907,0.362935
sgpcmbeC1.c1,2001,0816:30:00,25 ,0.003309,       1,0.350298,0.376805
sgpcmbeC1.c1,2001,0817:30:00,25 ,0.002846,       1, 0.33814,0.359686
sgpcmbeC1.c1,2001,0818:30:00,25 ,0.003156,       1,0.294591,0.425857
sgpcmbeC1.c1,2001,0819:30:00,7 ,0.002832,       1,0.264006,0.439789
sgpcmbeC1.c1,2001,0820:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0821:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0822:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0823:30:00,0 ,       .,       .,       .,       .