datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,03 0:30:00,21 ,0.014534,0.215211, 0.04079,0.048888
sgpcmbeC1.c1,2001,03 1:30:00,20 ,0.008403,0.570484,0.059359,0.131282
sgpcmbeC1.c1,2001,03 2:30:00,16 ,0.011674,0.333509, 0.04675,0.079957
sgpcmbeC1.c1,2001,03 3:30:00,16 ,0.011961,0.429691, 0.04544,0.102972
sgpcmbeC1.c1,2001,03 4:30:00,14 ,0.010068,0.076049,0.026249, 0.01776
sgpcmbeC1.c1,2001,03 5:30:00,13 ,0.010566,0.344244,0.043225, 0.09068
sgpcmbeC1.c1,2001,03 6:30:00,13 ,0.012107,0.262134,0.038657,0.067499
sgpcmbeC1.c1,2001,03 7:30:00,12 ,0.010945,0.148821,0.032474,0.039376
sgpcmbeC1.c1,2001,03 8:30:00,16 ,0.012245,0.050142,0.020501,0.009435
sgpcmbeC1.c1,2001,03 9:30:00,20 , 0.00761,0.039613,0.017822,0.008005
sgpcmbeC1.c1,2001,0310:30:00,21 ,0.011464, 0.03483,0.019416,0.005498
sgpcmbeC1.c1,2001,0311:30:00,22 ,0.011509, 0.21935,0.031562,0.043263
sgpcmbeC1.c1,2001,0312:30:00,22 ,0.011268, 0.12171,0.032292,0.025637
sgpcmbeC1.c1,2001,0313:30:00,22 ,0.012896,0.393889,0.043479,0.080818
sgpcmbeC1.c1,2001,0314:30:00,22 ,0.010765,0.204939,0.036161,0.039641
sgpcmbeC1.c1,2001,0315:30:00,21 ,0.012394,0.245668,0.044271,0.054436
sgpcmbeC1.c1,2001,0316:30:00,21 ,0.010795, 0.25128,  0.0407,0.050973
sgpcmbeC1.c1,2001,0317:30:00,21 ,0.012023,0.325902,0.041207,0.069245
sgpcmbeC1.c1,2001,0318:30:00,21 , 0.01333,0.110195, 0.02831,0.022074
sgpcmbeC1.c1,2001,0319:30:00,21 ,0.013297,0.069345,0.029025,0.018002
sgpcmbeC1.c1,2001,0320:30:00,21 ,0.011298,0.526851,0.048325,0.111092
sgpcmbeC1.c1,2001,0321:30:00,21 ,0.010749, 0.06376,0.024402,0.013135
sgpcmbeC1.c1,2001,0322:30:00,21 ,0.010637, 0.06677,0.025148,0.016816
sgpcmbeC1.c1,2001,0323:30:00,20 ,0.010355,0.091509,0.024764,0.017334