datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,02 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,02 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,02 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,02 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,02 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,02 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,02 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,02 7:30:00,24 ,0.006706,0.993823,0.456951,0.430233
sgpcmbeC1.c1,2005,02 8:30:00,28 , 0.00823,0.999601,0.602597,0.441409
sgpcmbeC1.c1,2005,02 9:30:00,28 , 0.00797, 0.99995,0.635661,0.452008
sgpcmbeC1.c1,2005,0210:30:00,28 ,0.008336,       1,0.601625,0.454693
sgpcmbeC1.c1,2005,0211:30:00,28 ,0.011535,       1, 0.58695,0.444214
sgpcmbeC1.c1,2005,0212:30:00,28 ,0.015858,0.999983,0.651679,0.412759
sgpcmbeC1.c1,2005,0213:30:00,27 ,0.014717,0.999545,0.660507,0.441005
sgpcmbeC1.c1,2005,0214:30:00,28 ,0.013731,0.999958,0.662734, 0.41717
sgpcmbeC1.c1,2005,0215:30:00,27 ,0.008092,0.999837,0.622708,0.435614
sgpcmbeC1.c1,2005,0216:30:00,28 ,0.007118,0.999513,0.623597,0.460865
sgpcmbeC1.c1,2005,0217:30:00,28 ,0.010398,0.997468,0.604695,0.439083
sgpcmbeC1.c1,2005,0218:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0219:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0220:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0221:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0222:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0223:30:00,0 ,       .,       .,       .,       .