datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,2001,02 0:30:00,22 ,0.345778,3.162797,1.418974,0.784488 sgpcmbeC1.c1,2001,02 1:30:00,19 ,0.330784,2.780117,1.388507,0.714861 sgpcmbeC1.c1,2001,02 2:30:00,19 ,0.319803,2.676453,1.384341,0.715893 sgpcmbeC1.c1,2001,02 3:30:00,20 ,0.307273,3.070308,1.446319,0.771925 sgpcmbeC1.c1,2001,02 4:30:00,20 ,0.360269,2.997962,1.443042,0.766822 sgpcmbeC1.c1,2001,02 5:30:00,20 ,0.490127,2.614286,1.422696,0.706906 sgpcmbeC1.c1,2001,02 6:30:00,20 ,0.560289,4.743185, 1.55029,1.026681 sgpcmbeC1.c1,2001,02 7:30:00,20 ,0.639185,3.920361,1.513512, 0.91374 sgpcmbeC1.c1,2001,02 8:30:00,19 ,0.662549,3.312788,1.388191,0.742784 sgpcmbeC1.c1,2001,02 9:30:00,22 ,0.621667, 3.49408,1.370551,0.698159 sgpcmbeC1.c1,2001,0210:30:00,23 ,0.610675,3.255575,1.380087,0.645912 sgpcmbeC1.c1,2001,0211:30:00,23 ,0.614067, 3.49419,1.405461,0.686141 sgpcmbeC1.c1,2001,0212:30:00,23 , 0.62691,3.801862,1.415393,0.728339 sgpcmbeC1.c1,2001,0213:30:00,22 ,0.615516,3.631568,1.413064, 0.70949 sgpcmbeC1.c1,2001,0214:30:00,22 ,0.603439,3.121803,1.386011,0.635262 sgpcmbeC1.c1,2001,0215:30:00,22 ,0.571557,4.279581,1.515108,0.876164 sgpcmbeC1.c1,2001,0216:30:00,23 ,0.561035,3.730722,1.486679,0.794394 sgpcmbeC1.c1,2001,0217:30:00,23 ,0.540492,3.792807,1.504268,0.806718 sgpcmbeC1.c1,2001,0218:30:00,24 ,0.472215,3.449421,1.450321,0.754363 sgpcmbeC1.c1,2001,0219:30:00,24 ,0.436716,3.397758,1.438941,0.766293 sgpcmbeC1.c1,2001,0220:30:00,24 , 0.42578,3.187936,1.438763, 0.74865 sgpcmbeC1.c1,2001,0221:30:00,23 ,0.393333,2.918577,1.360912,0.662056 sgpcmbeC1.c1,2001,0222:30:00,23 , 0.38757,3.482959,1.405409,0.762573 sgpcmbeC1.c1,2001,0223:30:00,22 ,0.366444,2.789598,1.346316, 0.67838