datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,09 0:30:00,29 ,       0,0.049832,0.002404,0.009841
sgpcmbeC1.c1,2000,09 1:30:00,30 ,       0,0.074384,0.002479,0.013581
sgpcmbeC1.c1,2000,09 2:30:00,29 ,       0, 0.02865,0.000988, 0.00532
sgpcmbeC1.c1,2000,09 3:30:00,29 ,       0,0.000357,0.000012,0.000066
sgpcmbeC1.c1,2000,09 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 6:30:00,29 ,0.536202,13.76455,9.162878,3.462432
sgpcmbeC1.c1,2000,09 7:30:00,29 , 3.59867,80.28654,56.36333,19.41261
sgpcmbeC1.c1,2000,09 8:30:00,29 , 8.35111,134.7585,106.4382,33.24538
sgpcmbeC1.c1,2000,09 9:30:00,29 ,19.42368, 183.641,148.4206, 44.1452
sgpcmbeC1.c1,2000,0910:30:00,29 ,18.93924,219.2132, 185.875,46.95301
sgpcmbeC1.c1,2000,0911:30:00,29 ,19.61175,239.9632,203.6421,50.97367
sgpcmbeC1.c1,2000,0912:30:00,29 , 38.9039,244.8033,210.3108, 48.8125
sgpcmbeC1.c1,2000,0913:30:00,29 ,38.61502,235.2225, 200.261,45.77621
sgpcmbeC1.c1,2000,0914:30:00,29 ,34.20449,209.8138,178.0435,41.42228
sgpcmbeC1.c1,2000,0915:30:00,29 ,29.81028, 170.314,143.0548,34.17709
sgpcmbeC1.c1,2000,0916:30:00,29 ,11.35711,117.6036,97.21081,26.61591
sgpcmbeC1.c1,2000,0917:30:00,29 , 4.82333, 66.2652,47.00073,14.42689
sgpcmbeC1.c1,2000,0918:30:00,29 ,0.056709,14.49395,5.574297,4.031386
sgpcmbeC1.c1,2000,0919:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0920:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0921:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0922:30:00,29 ,       0,0.031119,0.001169,0.005783
sgpcmbeC1.c1,2000,0923:30:00,29 ,       0,0.186647,0.006436, 0.03466