datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,03 0:30:00,28 ,0.352289,5.646678,1.388067,1.135586
sgpcmbeC1.c1,1999,03 1:30:00,29 ,0.192585, 5.36502,1.665449,1.302448
sgpcmbeC1.c1,1999,03 2:30:00,29 ,0.328035,5.327424,1.422575,1.210602
sgpcmbeC1.c1,1999,03 3:30:00,29 ,0.188938,3.823737,1.250236,0.934597
sgpcmbeC1.c1,1999,03 4:30:00,29 ,0.179842,3.462077,1.219102,0.827785
sgpcmbeC1.c1,1999,03 5:30:00,29 ,0.225134,3.012251,1.118221,0.821604
sgpcmbeC1.c1,1999,03 6:30:00,29 ,0.257866,4.494227,1.321719,1.007311
sgpcmbeC1.c1,1999,03 7:30:00,29 ,0.627398,8.781679,3.711876,2.615458
sgpcmbeC1.c1,1999,03 8:30:00,28 ,0.190864, 9.24923,5.004534, 2.61773
sgpcmbeC1.c1,1999,03 9:30:00,28 ,0.424706,11.94349,6.084135,3.121656
sgpcmbeC1.c1,1999,0310:30:00,28 ,1.041454,13.25931,5.588231,3.365533
sgpcmbeC1.c1,1999,0311:30:00,28 ,0.898657, 19.5034, 5.85832,3.938589
sgpcmbeC1.c1,1999,0312:30:00,29 ,0.163213,10.80597,4.467485,2.404424
sgpcmbeC1.c1,1999,0313:30:00,30 ,0.555689,11.54464,  4.6971,2.802863
sgpcmbeC1.c1,1999,0314:30:00,29 ,0.548793,11.69249,3.973143, 2.50497
sgpcmbeC1.c1,1999,0315:30:00,29 ,0.535656,9.670361,4.623805,2.289517
sgpcmbeC1.c1,1999,0316:30:00,28 ,0.627351,7.528373,3.838616,2.103068
sgpcmbeC1.c1,1999,0317:30:00,29 ,0.304295,9.023531, 4.29049,2.568938
sgpcmbeC1.c1,1999,0318:30:00,29 ,0.476547,11.79117,3.975064,3.048092
sgpcmbeC1.c1,1999,0319:30:00,29 ,0.227435, 8.14093,2.385246,1.754935
sgpcmbeC1.c1,1999,0320:30:00,29 ,0.352214,5.243534,1.760835,1.284168
sgpcmbeC1.c1,1999,0321:30:00,29 ,0.221454,4.390364,1.280106,0.954611
sgpcmbeC1.c1,1999,0322:30:00,29 ,0.248414,4.550621,1.576533,1.201915
sgpcmbeC1.c1,1999,0323:30:00,29 ,0.235193,5.096564,1.507928,1.351433