datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,2002,05 0:30:00,30 , 332.818,432.6471,384.7046,25.77386 sgpcmbeC1.c1,2002,05 1:30:00,30 ,328.3802,429.9901,382.5241,24.94616 sgpcmbeC1.c1,2002,05 2:30:00,30 , 328.601,428.1006,380.8788,25.65106 sgpcmbeC1.c1,2002,05 3:30:00,30 ,328.1429,428.4352,379.0045,26.13754 sgpcmbeC1.c1,2002,05 4:30:00,30 ,333.9041,426.5044,376.3864,24.97546 sgpcmbeC1.c1,2002,05 5:30:00,30 ,334.5738,425.1788,375.6037,24.55814 sgpcmbeC1.c1,2002,05 6:30:00,31 ,346.9932,429.0399,384.8336,23.23106 sgpcmbeC1.c1,2002,05 7:30:00,31 ,357.4496,438.8662,397.8291,23.36525 sgpcmbeC1.c1,2002,05 8:30:00,31 ,367.8221,457.2636,410.9848,24.72355 sgpcmbeC1.c1,2002,05 9:30:00,31 , 375.633,476.4294,425.3425, 26.5109 sgpcmbeC1.c1,2002,0510:30:00,31 , 378.211,490.2641,438.4703,26.45004 sgpcmbeC1.c1,2002,0511:30:00,31 ,378.5725,500.0267,447.7557, 28.8174 sgpcmbeC1.c1,2002,0512:30:00,31 , 377.438,504.1994,450.9791,31.94721 sgpcmbeC1.c1,2002,0513:30:00,31 ,375.2417,505.9055,451.4844,32.24572 sgpcmbeC1.c1,2002,0514:30:00,31 ,374.4218,504.9422,453.4713,29.99032 sgpcmbeC1.c1,2002,0515:30:00,31 ,373.5957,499.3583,450.0048,28.92487 sgpcmbeC1.c1,2002,0516:30:00,31 ,371.3927,489.8265,443.0635, 26.7159 sgpcmbeC1.c1,2002,0517:30:00,31 , 369.679,477.9886,434.5866,24.21629 sgpcmbeC1.c1,2002,0518:30:00,31 ,367.7138,462.8399,421.3332,24.13027 sgpcmbeC1.c1,2002,0519:30:00,31 , 352.056, 446.142,404.8368,26.28038 sgpcmbeC1.c1,2002,0520:30:00,31 ,344.7032,439.1923,395.5266,26.17994 sgpcmbeC1.c1,2002,0521:30:00,31 ,337.3935,432.6345,391.2981,26.42395 sgpcmbeC1.c1,2002,0522:30:00,30 ,331.8377,431.6102,388.4444,26.42775 sgpcmbeC1.c1,2002,0523:30:00,30 ,330.8707,432.2411,385.8762,25.87728