datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,02 0:30:00,28 ,242.4775,389.2809,310.0058,29.99558
sgpcmbeC1.c1,2007,02 1:30:00,28 ,245.6967,384.2338,308.1596,29.61316
sgpcmbeC1.c1,2007,02 2:30:00,28 ,247.9965, 384.874,307.7661,30.51935
sgpcmbeC1.c1,2007,02 3:30:00,28 ,248.0322, 388.778,306.8856,32.01053
sgpcmbeC1.c1,2007,02 4:30:00,28 , 247.372,392.1069,304.6549,32.92739
sgpcmbeC1.c1,2007,02 5:30:00,28 ,252.4073,385.7354,302.8561,33.00073
sgpcmbeC1.c1,2007,02 6:30:00,28 , 256.076,390.2295,302.2219,33.40801
sgpcmbeC1.c1,2007,02 7:30:00,28 ,258.8215,386.1942,303.2688,33.10167
sgpcmbeC1.c1,2007,02 8:30:00,28 ,267.8159,  377.78,315.4052,30.91202
sgpcmbeC1.c1,2007,02 9:30:00,28 ,282.6505, 393.293,332.3503,33.27504
sgpcmbeC1.c1,2007,0210:30:00,28 ,289.1933,420.0429,348.6521,40.88894
sgpcmbeC1.c1,2007,0211:30:00,28 ,294.9725,456.1898,367.0816,47.72752
sgpcmbeC1.c1,2007,0212:30:00,28 ,291.3643,478.8696,379.0647,52.63997
sgpcmbeC1.c1,2007,0213:30:00,28 ,294.6096,484.3047,383.4382,52.93468
sgpcmbeC1.c1,2007,0214:30:00,28 ,294.1285, 472.841,381.3828,52.06592
sgpcmbeC1.c1,2007,0215:30:00,28 ,288.8706,455.7065,373.1104,48.70925
sgpcmbeC1.c1,2007,0216:30:00,28 ,284.3867,443.1411,360.0083,45.36149
sgpcmbeC1.c1,2007,0217:30:00,28 ,278.7228,422.8153,342.7572, 40.3497
sgpcmbeC1.c1,2007,0218:30:00,28 ,269.5087,403.3315, 327.408,35.51336
sgpcmbeC1.c1,2007,0219:30:00,28 ,259.6724,397.6427,322.3294,34.75813
sgpcmbeC1.c1,2007,0220:30:00,28 ,254.5628,408.6789,320.3957,35.60873
sgpcmbeC1.c1,2007,0221:30:00,28 ,249.2775,406.8727,318.6066,34.74873
sgpcmbeC1.c1,2007,0222:30:00,28 ,243.8191,399.1006,317.0114,33.51046
sgpcmbeC1.c1,2007,0223:30:00,28 ,241.5772,392.1676,314.5239, 30.2838