datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,07 0:30:00,27 ,393.8676,471.5827,434.2462,22.33812
sgpcmbeC1.c1,2006,07 1:30:00,27 ,390.5764,468.9334, 431.847,22.63528
sgpcmbeC1.c1,2006,07 2:30:00,27 ,388.7573,465.0677,429.7264,22.86091
sgpcmbeC1.c1,2006,07 3:30:00,27 ,385.7135,466.3637,426.6587,22.97821
sgpcmbeC1.c1,2006,07 4:30:00,27 ,381.0358,458.9022, 423.341,21.71863
sgpcmbeC1.c1,2006,07 5:30:00,27 ,381.7065,453.8272,422.8284, 20.4011
sgpcmbeC1.c1,2006,07 6:30:00,27 ,398.6918,459.6462, 435.255,17.84255
sgpcmbeC1.c1,2006,07 7:30:00,27 ,424.3546,494.5465,457.9596,19.40636
sgpcmbeC1.c1,2006,07 8:30:00,28 ,443.4727,521.2694,481.2492,23.26148
sgpcmbeC1.c1,2006,07 9:30:00,28 , 447.394,551.1547, 500.788,28.37128
sgpcmbeC1.c1,2006,0710:30:00,28 ,430.2916, 578.382,518.6698,35.23526
sgpcmbeC1.c1,2006,0711:30:00,28 ,427.6923,596.4431,  532.55,40.46565
sgpcmbeC1.c1,2006,0712:30:00,28 ,427.8398,607.8856,544.9788,38.56497
sgpcmbeC1.c1,2006,0713:30:00,28 ,430.8182,609.7395,547.2597,39.13672
sgpcmbeC1.c1,2006,0714:30:00,28 ,444.2634,606.3422,545.0392,37.43388
sgpcmbeC1.c1,2006,0715:30:00,28 ,467.7983, 598.564,540.5034,32.35725
sgpcmbeC1.c1,2006,0716:30:00,28 ,468.8965,581.9158,528.5154,30.12257
sgpcmbeC1.c1,2006,0717:30:00,28 ,465.4287,559.1473,514.4972,  25.677
sgpcmbeC1.c1,2006,0718:30:00,28 ,441.8857, 537.631,497.0287,25.45241
sgpcmbeC1.c1,2006,0719:30:00,28 ,433.7443,512.5956,477.9384,22.99491
sgpcmbeC1.c1,2006,0720:30:00,27 ,425.7962,496.6898,462.2701,21.92771
sgpcmbeC1.c1,2006,0721:30:00,27 ,419.1115,488.6945,453.5173,22.05269
sgpcmbeC1.c1,2006,0722:30:00,27 ,408.0829, 482.126,446.3263,22.54563
sgpcmbeC1.c1,2006,0723:30:00,27 ,400.8026,  475.49, 440.571,21.57035