datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,06 0:30:00,25 ,0.013199,0.335551,0.067268,0.071225
sgpcmbeC1.c1,1997,06 1:30:00,25 ,0.019533, 0.33374, 0.07329,0.075852
sgpcmbeC1.c1,1997,06 2:30:00,25 ,0.015497,0.234223,0.057442,0.049341
sgpcmbeC1.c1,1997,06 3:30:00,25 ,0.017496,0.229478,0.059031,0.047107
sgpcmbeC1.c1,1997,06 4:30:00,25 ,  0.0221,0.159601,0.061793,0.036578
sgpcmbeC1.c1,1997,06 5:30:00,25 ,0.017105,0.240093,0.055596,0.047217
sgpcmbeC1.c1,1997,06 6:30:00,25 ,0.018216,0.191293,0.058651,0.039371
sgpcmbeC1.c1,1997,06 7:30:00,26 ,0.015677, 0.34537,0.066964,0.064904
sgpcmbeC1.c1,1997,06 8:30:00,26 ,0.020896,0.321782,0.075007,0.066286
sgpcmbeC1.c1,1997,06 9:30:00,26 ,0.018824,0.431695,0.077154,0.085956
sgpcmbeC1.c1,1997,0610:30:00,25 ,0.029551,0.251784,0.075175, 0.04784
sgpcmbeC1.c1,1997,0611:30:00,26 ,0.031933,0.207601,0.074517,0.045545
sgpcmbeC1.c1,1997,0612:30:00,25 ,0.037083,0.125403,0.066154,0.021276
sgpcmbeC1.c1,1997,0613:30:00,25 ,0.027503,0.115913,0.062585,0.027181
sgpcmbeC1.c1,1997,0614:30:00,25 ,0.028845,0.178605, 0.06854, 0.03897
sgpcmbeC1.c1,1997,0615:30:00,24 ,0.024966, 0.21199,0.076863,0.041173
sgpcmbeC1.c1,1997,0616:30:00,24 ,0.023217,0.430492,0.089335,0.081053
sgpcmbeC1.c1,1997,0617:30:00,24 ,0.018069,0.125062, 0.06088,0.030557
sgpcmbeC1.c1,1997,0618:30:00,26 ,0.014471,0.128067,0.056485,0.029481
sgpcmbeC1.c1,1997,0619:30:00,24 ,0.020537,0.224057,0.057555,0.045049
sgpcmbeC1.c1,1997,0620:30:00,24 ,0.019188,0.137553,0.055018,0.032412
sgpcmbeC1.c1,1997,0621:30:00,25 ,0.015338,0.218804,0.065004,0.047117
sgpcmbeC1.c1,1997,0622:30:00,25 , 0.01545,0.288431,  0.0611,0.059485
sgpcmbeC1.c1,1997,0623:30:00,24 ,0.019874,0.330157,0.067697, 0.06609