datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,09 0:30:00,26 ,       0,46.07499,5.733279,11.81223
sgpcmbeC1.c1,2002,09 1:30:00,26 ,       0,75.47982,7.139807,16.23224
sgpcmbeC1.c1,2002,09 2:30:00,26 ,       0,253.4515,16.34674,49.94771
sgpcmbeC1.c1,2002,09 3:30:00,26 ,       0,247.0654,14.82213,48.64214
sgpcmbeC1.c1,2002,09 4:30:00,26 ,       0,170.7327,11.68751,34.66835
sgpcmbeC1.c1,2002,09 5:30:00,24 ,       0,45.81477,5.587667,11.12859
sgpcmbeC1.c1,2002,09 6:30:00,24 ,       0,26.87771,4.907651,8.921498
sgpcmbeC1.c1,2002,09 7:30:00,27 ,       0,320.0673,25.04077,78.04974
sgpcmbeC1.c1,2002,09 8:30:00,27 ,       0,307.3289,18.44502,59.30657
sgpcmbeC1.c1,2002,09 9:30:00,27 ,       0,168.2136,12.96621,33.40805
sgpcmbeC1.c1,2002,0910:30:00,27 ,       0,164.0343,10.85123,32.42355
sgpcmbeC1.c1,2002,0911:30:00,28 ,       0,211.7712,17.93145,43.36175
sgpcmbeC1.c1,2002,0912:30:00,28 ,       0,96.36093,12.30425,21.83606
sgpcmbeC1.c1,2002,0913:30:00,27 ,       0,107.0115,9.147555,20.66272
sgpcmbeC1.c1,2002,0914:30:00,28 ,       0,94.14946,12.34947,23.20776
sgpcmbeC1.c1,2002,0915:30:00,27 ,       0,307.4513,17.05197,59.06913
sgpcmbeC1.c1,2002,0916:30:00,27 ,       0,306.2091,  17.023,59.30605
sgpcmbeC1.c1,2002,0917:30:00,27 ,       0,61.38651,6.922635,14.51064
sgpcmbeC1.c1,2002,0918:30:00,27 ,       0,272.8361,23.30291,67.37576
sgpcmbeC1.c1,2002,0919:30:00,25 ,       0,31.18659, 4.57452,8.442889
sgpcmbeC1.c1,2002,0920:30:00,26 ,       0,173.2807,11.29967,33.81015
sgpcmbeC1.c1,2002,0921:30:00,27 ,       0,69.30216,8.167603,  16.095
sgpcmbeC1.c1,2002,0922:30:00,26 ,       0,55.12709,4.351308,11.19709
sgpcmbeC1.c1,2002,0923:30:00,26 ,       0,43.86098,4.505989,9.139338