datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,05 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,05 1:30:00,31 ,       0,0.077568,0.002502,0.013932
sgpcmbeC1.c1,2000,05 2:30:00,31 ,       0,0.157014,0.005997,0.028272
sgpcmbeC1.c1,2000,05 3:30:00,31 ,       0, 0.02204,0.000711,0.003959
sgpcmbeC1.c1,2000,05 4:30:00,31 ,       0,0.051875,0.002444,0.010126
sgpcmbeC1.c1,2000,05 5:30:00,30 ,       0,16.49635,7.644437,6.279217
sgpcmbeC1.c1,2000,05 6:30:00,22 ,       0,77.11311,53.47182,19.23026
sgpcmbeC1.c1,2000,05 7:30:00,21 ,69.61182,193.1363,99.17641,31.74853
sgpcmbeC1.c1,2000,05 8:30:00,21 ,79.52083, 325.233,150.3427,79.25703
sgpcmbeC1.c1,2000,05 9:30:00,21 ,75.90453,435.1507,172.1075, 95.0043
sgpcmbeC1.c1,2000,0510:30:00,21 ,14.18315,451.6694,185.4016,110.1267
sgpcmbeC1.c1,2000,0511:30:00,22 ,91.60749,572.5759,238.6102,146.5881
sgpcmbeC1.c1,2000,0512:30:00,22 ,90.87638,545.6539,238.1001, 139.235
sgpcmbeC1.c1,2000,0513:30:00,22 ,89.53372,518.9349,241.2953,136.2183
sgpcmbeC1.c1,2000,0514:30:00,22 ,85.68409,493.6061,229.9294,131.1447
sgpcmbeC1.c1,2000,0515:30:00,22 , 80.5345,397.2451,204.6355,102.8743
sgpcmbeC1.c1,2000,0516:30:00,22 ,56.40934,306.4365,167.2965,79.74198
sgpcmbeC1.c1,2000,0517:30:00,22 ,36.65049,196.3805,123.1323,44.51604
sgpcmbeC1.c1,2000,0518:30:00,23 ,       0,96.26083,62.92416,22.73635
sgpcmbeC1.c1,2000,0519:30:00,30 ,       0, 28.1672, 8.78571,7.284186
sgpcmbeC1.c1,2000,0520:30:00,30 ,       0,0.162439,0.009993,0.038173
sgpcmbeC1.c1,2000,0521:30:00,30 ,       0,0.098391,0.004421,0.018815
sgpcmbeC1.c1,2000,0522:30:00,30 ,       0,0.154821,0.007119,0.029885
sgpcmbeC1.c1,2000,0523:30:00,30 ,       0,0.037969,0.001408,0.006949