datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,04 0:30:00,30 ,  297.27,399.2832,350.9552,24.06311
sgpcmbeC1.c1,1997,04 1:30:00,30 , 297.131,401.2648,349.0476,23.98885
sgpcmbeC1.c1,1997,04 2:30:00,30 ,296.7573, 405.042,348.5253,23.96181
sgpcmbeC1.c1,1997,04 3:30:00,30 ,295.5385,397.7628,347.4601,23.78085
sgpcmbeC1.c1,1997,04 4:30:00,30 ,294.2755,384.4375,346.9474,23.66954
sgpcmbeC1.c1,1997,04 5:30:00,30 ,294.8688,383.8395,346.1667,23.94702
sgpcmbeC1.c1,1997,04 6:30:00,30 ,297.6985,385.1607,348.3877,23.37641
sgpcmbeC1.c1,1997,04 7:30:00,30 ,303.4078,390.4873,358.3626,23.20101
sgpcmbeC1.c1,1997,04 8:30:00,30 ,311.9926,406.2628,370.5281,25.38241
sgpcmbeC1.c1,1997,04 9:30:00,30 ,325.1055,428.4943,382.6915,28.68934
sgpcmbeC1.c1,1997,0410:30:00,30 ,326.5756, 449.669,393.7317,33.58507
sgpcmbeC1.c1,1997,0411:30:00,30 , 323.212,464.0614,403.0359, 35.7919
sgpcmbeC1.c1,1997,0412:30:00,30 ,317.8078,473.8849,409.5697,39.63684
sgpcmbeC1.c1,1997,0413:30:00,30 ,316.4536,476.5211,413.8374,41.09055
sgpcmbeC1.c1,1997,0414:30:00,30 ,320.1599,472.0339,411.3665,39.71879
sgpcmbeC1.c1,1997,0415:30:00,30 ,319.2638,460.0453,407.7764,38.27106
sgpcmbeC1.c1,1997,0416:30:00,30 ,317.2165,448.3356, 400.019,35.18077
sgpcmbeC1.c1,1997,0417:30:00,30 ,314.5807,  434.06,390.6666,31.27344
sgpcmbeC1.c1,1997,0418:30:00,30 , 311.978,  421.08,377.8136,27.54568
sgpcmbeC1.c1,1997,0419:30:00,30 ,308.0308,410.8885,367.1148,26.44607
sgpcmbeC1.c1,1997,0420:30:00,30 ,303.0095,403.4077,362.8483,25.58872
sgpcmbeC1.c1,1997,0421:30:00,30 ,302.0903,401.8312,359.3159,24.99578
sgpcmbeC1.c1,1997,0422:30:00,30 ,301.3831,404.0337,356.2751,24.76673
sgpcmbeC1.c1,1997,0423:30:00,30 ,298.6948,403.8166,353.3894,24.42851