datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,03 0:30:00,28 ,       0,291.0176,39.61668, 83.4041
sgpcmbeC1.c1,1999,03 1:30:00,28 ,       0,352.8715,46.33609,104.8681
sgpcmbeC1.c1,1999,03 2:30:00,28 ,       0,348.8704,39.19042,85.53606
sgpcmbeC1.c1,1999,03 3:30:00,24 ,0.077035,354.5186,30.35694,73.90557
sgpcmbeC1.c1,1999,03 4:30:00,26 ,0.173646,  310.56,32.74039,68.42974
sgpcmbeC1.c1,1999,03 5:30:00,26 ,       0,278.6317,46.33963,79.99137
sgpcmbeC1.c1,1999,03 6:30:00,24 ,       0, 203.815,42.65064,67.04544
sgpcmbeC1.c1,1999,03 7:30:00,26 ,       0,239.3998,34.00129,62.44729
sgpcmbeC1.c1,1999,03 8:30:00,28 ,       0, 247.683,29.46859,57.59945
sgpcmbeC1.c1,1999,03 9:30:00,27 ,       0,122.7752,16.50341,31.19578
sgpcmbeC1.c1,1999,0310:30:00,27 ,       0,232.8071, 19.5809,44.95107
sgpcmbeC1.c1,1999,0311:30:00,27 ,       0,192.8164,20.55088,39.23977
sgpcmbeC1.c1,1999,0312:30:00,27 ,0.594566,145.4642,19.73011,34.22146
sgpcmbeC1.c1,1999,0313:30:00,26 ,0.671653,125.9709,22.87497,34.18069
sgpcmbeC1.c1,1999,0314:30:00,25 ,       0,140.6786,25.59838,38.97657
sgpcmbeC1.c1,1999,0315:30:00,24 ,       0,460.7634,52.27889,109.9543
sgpcmbeC1.c1,1999,0316:30:00,25 ,       0,330.4791,37.83568,75.39638
sgpcmbeC1.c1,1999,0317:30:00,27 ,       0,409.6901,41.97527,94.79517
sgpcmbeC1.c1,1999,0318:30:00,29 , 0.01757,434.3349,45.48491,96.68689
sgpcmbeC1.c1,1999,0319:30:00,28 ,       0,260.0195,30.80178,64.10637
sgpcmbeC1.c1,1999,0320:30:00,27 ,       0,71.99921, 12.7749,21.54453
sgpcmbeC1.c1,1999,0321:30:00,28 ,       0,335.0335,24.29467,70.23688
sgpcmbeC1.c1,1999,0322:30:00,28 ,       0,186.3029, 16.6865,  39.742
sgpcmbeC1.c1,1999,0323:30:00,28 ,       0,211.5029,28.49302,60.27946