datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,02 0:30:00,29 ,       0,0.169063,0.030176,0.054701
sgpcmbeC1.c1,2000,02 1:30:00,29 ,       0,0.273046,0.024213,0.062389
sgpcmbeC1.c1,2000,02 2:30:00,29 ,       0,0.502567,0.023616,0.095537
sgpcmbeC1.c1,2000,02 3:30:00,29 ,       0,0.108431,0.005934,0.021689
sgpcmbeC1.c1,2000,02 4:30:00,29 ,       0,  0.1498,0.009943,0.030863
sgpcmbeC1.c1,2000,02 5:30:00,29 ,       0,0.132381,0.009463,0.029615
sgpcmbeC1.c1,2000,02 6:30:00,29 ,       0,0.149113,0.005142, 0.02769
sgpcmbeC1.c1,2000,02 7:30:00,29 ,       0,11.92015,5.462274,3.409245
sgpcmbeC1.c1,2000,02 8:30:00,29 , 0.98418,24.16862,11.25518,5.210831
sgpcmbeC1.c1,2000,02 9:30:00,29 ,2.489592,27.54844,11.48429, 5.42801
sgpcmbeC1.c1,2000,0210:30:00,29 ,2.189851,33.55962,13.53065,8.693313
sgpcmbeC1.c1,2000,0211:30:00,29 ,2.247104,39.53664,12.29599,10.38677
sgpcmbeC1.c1,2000,0212:30:00,29 ,0.559291,50.87648,12.12551,12.51815
sgpcmbeC1.c1,2000,0213:30:00,29 ,2.281979,44.19261, 13.2793,11.55134
sgpcmbeC1.c1,2000,0214:30:00,29 ,3.199461, 39.5142,13.51407,10.86551
sgpcmbeC1.c1,2000,0215:30:00,29 ,2.647876,31.86377,13.42961,8.291849
sgpcmbeC1.c1,2000,0216:30:00,29 ,1.821413, 28.7643,13.17567,6.194659
sgpcmbeC1.c1,2000,0217:30:00,29 ,0.887278,16.84748,9.411187,4.660651
sgpcmbeC1.c1,2000,0218:30:00,29 ,       0,3.217123,0.592537,0.953722
sgpcmbeC1.c1,2000,0219:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0220:30:00,29 ,       0,0.010424,0.000552,0.002162
sgpcmbeC1.c1,2000,0221:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0222:30:00,29 ,       0, 0.14407, 0.01228,0.033116
sgpcmbeC1.c1,2000,0223:30:00,29 ,       0,0.167334,0.020158,0.045799