datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,04 0:30:00,19 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,04 1:30:00,19 ,       0,0.036911,0.001943,0.008468
sgpcmbeC1.c1,1999,04 2:30:00,19 ,       0,0.276537,0.018109,0.064465
sgpcmbeC1.c1,1999,04 3:30:00,19 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,04 4:30:00,19 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,04 5:30:00,19 ,       0,0.046654,0.005589,0.014022
sgpcmbeC1.c1,1999,04 6:30:00,19 ,0.002591,53.66013,19.34564,18.91317
sgpcmbeC1.c1,1999,04 7:30:00,19 ,0.067165,231.7933,102.6381,89.08451
sgpcmbeC1.c1,1999,04 8:30:00,18 , 0.04628, 427.936,229.9818,175.9482
sgpcmbeC1.c1,1999,04 9:30:00,18 ,       0,609.5466,385.1519,229.6904
sgpcmbeC1.c1,1999,0410:30:00,18 ,0.042625,744.0753, 458.722,296.1257
sgpcmbeC1.c1,1999,0411:30:00,18 ,       0,837.0068,545.9874, 304.487
sgpcmbeC1.c1,1999,0412:30:00,18 ,1.610245,865.5029, 528.912,325.9626
sgpcmbeC1.c1,1999,0413:30:00,18 ,0.034988,833.8025,497.5558,337.2903
sgpcmbeC1.c1,1999,0414:30:00,18 ,       0, 747.132,413.2178,296.1508
sgpcmbeC1.c1,1999,0415:30:00,18 ,0.121115,605.2332,309.6198,223.7068
sgpcmbeC1.c1,1999,0416:30:00,18 ,       0,416.8352,219.7465,157.7443
sgpcmbeC1.c1,1999,0417:30:00,18 ,0.001184,222.2653, 95.5944,84.89685
sgpcmbeC1.c1,1999,0418:30:00,18 ,       0,50.47483,16.75485,17.58823
sgpcmbeC1.c1,1999,0419:30:00,18 ,       0,0.360468,0.029812,0.084494
sgpcmbeC1.c1,1999,0420:30:00,18 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0421:30:00,18 ,       0,0.022798,0.001267,0.005374
sgpcmbeC1.c1,1999,0422:30:00,18 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0423:30:00,18 ,       0,       0,       0,       0