datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,04 0:30:00,30 ,0.253654,27.01995,3.947284,5.530108
sgpcmbeC1.c1,2000,04 1:30:00,30 , 0.26995,27.80522,3.480541,5.979875
sgpcmbeC1.c1,2000,04 2:30:00,30 ,0.277507,29.45335,4.410061,7.003035
sgpcmbeC1.c1,2000,04 3:30:00,30 ,0.246343,23.29908,2.878233,4.538557
sgpcmbeC1.c1,2000,04 4:30:00,30 , 0.25164, 22.8227,3.557989, 5.39495
sgpcmbeC1.c1,2000,04 5:30:00,30 ,0.260321,24.86644,4.104089,6.368915
sgpcmbeC1.c1,2000,04 6:30:00,30 ,0.268684,17.63181,2.492257,3.461573
sgpcmbeC1.c1,2000,04 7:30:00,30 ,0.280551,29.34763,5.361211,7.530089
sgpcmbeC1.c1,2000,04 8:30:00,30 ,0.524197,26.58101,5.801575,6.925881
sgpcmbeC1.c1,2000,04 9:30:00,30 ,0.441086, 19.0006,5.238727,5.358089
sgpcmbeC1.c1,2000,0410:30:00,30 ,0.377184,18.15721,3.625277,4.021518
sgpcmbeC1.c1,2000,0411:30:00,30 ,0.478304,20.00303,3.496152,4.007942
sgpcmbeC1.c1,2000,0412:30:00,30 ,   0.761,15.03314,3.522933,3.474688
sgpcmbeC1.c1,2000,0413:30:00,30 , 0.50784,10.81061,  3.7212,2.641986
sgpcmbeC1.c1,2000,0414:30:00,30 ,0.393379,15.27775,3.589267,3.671164
sgpcmbeC1.c1,2000,0415:30:00,30 ,0.872763,17.82222,4.392918,4.414872
sgpcmbeC1.c1,2000,0416:30:00,30 ,0.613256,  18.789,3.834025,4.921869
sgpcmbeC1.c1,2000,0417:30:00,30 ,0.309549, 27.0074,5.517181, 6.99576
sgpcmbeC1.c1,2000,0418:30:00,30 , 0.56496,18.13608,4.641991,4.453249
sgpcmbeC1.c1,2000,0419:30:00,30 ,  0.7475,19.11899,4.700358,4.964964
sgpcmbeC1.c1,2000,0420:30:00,30 ,0.388368,23.12804,3.532865,5.085139
sgpcmbeC1.c1,2000,0421:30:00,30 ,0.275695,8.938371,2.099837,2.129356
sgpcmbeC1.c1,2000,0422:30:00,30 ,0.366036,20.38396,4.302458,5.490937
sgpcmbeC1.c1,2000,0423:30:00,30 ,0.319084, 27.9508,5.352741,7.198545