datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,03 0:30:00,31 ,209.2695,347.2862,292.1024,36.27025
sgpcmbeC1.c1,2006,03 1:30:00,31 , 206.964,387.3449, 295.467,43.12843
sgpcmbeC1.c1,2006,03 2:30:00,31 , 205.426,393.2916,298.7168, 46.4085
sgpcmbeC1.c1,2006,03 3:30:00,31 ,205.4082,394.1486,295.8859,  45.894
sgpcmbeC1.c1,2006,03 4:30:00,31 ,204.5587,377.0323,290.9679,45.71948
sgpcmbeC1.c1,2006,03 5:30:00,31 , 203.195,353.0311,288.9703,45.81024
sgpcmbeC1.c1,2006,03 6:30:00,31 ,203.9763,358.9777,289.7793,48.44252
sgpcmbeC1.c1,2006,03 7:30:00,30 ,205.1454,392.9025,290.8092,49.68382
sgpcmbeC1.c1,2006,03 8:30:00,30 ,209.5927, 382.391,292.8544,45.66393
sgpcmbeC1.c1,2006,03 9:30:00,30 ,215.8534,405.0253,300.1281,44.07466
sgpcmbeC1.c1,2006,0310:30:00,30 , 221.483,402.3682, 303.029,45.21855
sgpcmbeC1.c1,2006,0311:30:00,31 ,219.4131,389.0945,305.1438,45.02712
sgpcmbeC1.c1,2006,0312:30:00,31 ,221.8245,387.2811,309.9989,44.59511
sgpcmbeC1.c1,2006,0313:30:00,31 ,225.5644, 385.702,309.4491,40.64668
sgpcmbeC1.c1,2006,0314:30:00,31 ,226.6479,373.9567,312.1955,38.73967
sgpcmbeC1.c1,2006,0315:30:00,31 ,228.3077,386.0782,315.0942,40.36724
sgpcmbeC1.c1,2006,0316:30:00,31 ,231.1294,390.1176,312.2595, 39.4996
sgpcmbeC1.c1,2006,0317:30:00,31 ,232.0013,411.2025,308.4314,39.04303
sgpcmbeC1.c1,2006,0318:30:00,31 , 228.844, 385.422,302.2946,35.88618
sgpcmbeC1.c1,2006,0319:30:00,31 ,225.2486,378.1875,300.4463,36.85518
sgpcmbeC1.c1,2006,0320:30:00,31 ,221.7005,372.4455,295.7588,37.74515
sgpcmbeC1.c1,2006,0321:30:00,31 ,217.1488,394.9792,294.9987,40.71809
sgpcmbeC1.c1,2006,0322:30:00,31 ,214.0941,366.6529,290.7827,37.90241
sgpcmbeC1.c1,2006,0323:30:00,31 ,212.0784,388.4582,290.5402,38.17452