datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,02 0:30:00,28 ,214.9295,371.2895,289.7139,46.44834
sgpcmbeC1.c1,2005,02 1:30:00,28 ,212.7835,372.3399,286.8268,46.65829
sgpcmbeC1.c1,2005,02 2:30:00,28 ,219.5082,370.8655,285.4004,46.14659
sgpcmbeC1.c1,2005,02 3:30:00,28 , 218.591,353.2126,283.5992,46.14613
sgpcmbeC1.c1,2005,02 4:30:00,28 ,212.5787, 359.058,279.8138,46.74868
sgpcmbeC1.c1,2005,02 5:30:00,28 ,199.9085,  349.96,276.8801,46.10306
sgpcmbeC1.c1,2005,02 6:30:00,28 ,199.3582,347.7484,277.4904,43.92983
sgpcmbeC1.c1,2005,02 7:30:00,28 ,200.5008,350.8235,276.2752,43.53505
sgpcmbeC1.c1,2005,02 8:30:00,28 ,202.4181,346.8924,280.3845,43.50889
sgpcmbeC1.c1,2005,02 9:30:00,28 ,203.7592,347.2358,283.9756,41.02039
sgpcmbeC1.c1,2005,0210:30:00,28 ,206.3441, 348.714,286.2355, 38.7689
sgpcmbeC1.c1,2005,0211:30:00,28 ,209.5584,352.4884,289.7588,38.14942
sgpcmbeC1.c1,2005,0212:30:00,28 ,213.4952,354.6711,  294.39,37.95795
sgpcmbeC1.c1,2005,0213:30:00,28 ,217.0213,356.6319,297.3628,38.75945
sgpcmbeC1.c1,2005,0214:30:00,28 , 221.305,358.9847,302.2959,35.72778
sgpcmbeC1.c1,2005,0215:30:00,28 ,225.9955,358.0138,302.6713,34.87465
sgpcmbeC1.c1,2005,0216:30:00,28 ,228.9631,358.7616,301.8172,35.62953
sgpcmbeC1.c1,2005,0217:30:00,28 ,232.5932,360.5673,301.9663,36.56479
sgpcmbeC1.c1,2005,0218:30:00,28 ,231.5617, 360.277,300.5947,38.59815
sgpcmbeC1.c1,2005,0219:30:00,28 ,222.5068, 361.369,297.4257,40.12051
sgpcmbeC1.c1,2005,0220:30:00,28 ,217.8145, 363.612,297.1399, 42.5669
sgpcmbeC1.c1,2005,0221:30:00,28 , 215.617,365.8456,293.5432,43.80055
sgpcmbeC1.c1,2005,0222:30:00,28 ,212.7995,365.6628,292.5221,45.57047
sgpcmbeC1.c1,2005,0223:30:00,28 ,  210.35,367.9608,289.3347,45.02099