datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,12 0:30:00,29 ,180.8271,323.3245,249.1421,40.62221
sgpcmbeC1.c1,2000,12 1:30:00,29 ,180.0925,321.2385,247.0341, 40.0074
sgpcmbeC1.c1,2000,12 2:30:00,29 ,179.1674,320.8883,247.7118,40.52393
sgpcmbeC1.c1,2000,12 3:30:00,30 ,180.0724,  314.16,248.4231,40.04246
sgpcmbeC1.c1,2000,12 4:30:00,30 ,186.7798,328.2311,252.7687,43.11396
sgpcmbeC1.c1,2000,12 5:30:00,30 ,191.0445,331.4814,254.1842,44.11851
sgpcmbeC1.c1,2000,12 6:30:00,30 ,190.8373,336.2885,258.4287,41.86396
sgpcmbeC1.c1,2000,12 7:30:00,30 ,191.0017,337.1478,259.5538,39.64364
sgpcmbeC1.c1,2000,12 8:30:00,30 , 192.926,338.9806,255.1334,38.65643
sgpcmbeC1.c1,2000,12 9:30:00,30 ,196.0478,338.5268,255.6258,37.92258
sgpcmbeC1.c1,2000,1210:30:00,30 , 198.709,339.5341,255.7492,38.02805
sgpcmbeC1.c1,2000,1211:30:00,30 , 200.803,339.8132,256.9009,36.44512
sgpcmbeC1.c1,2000,1212:30:00,30 ,203.7883,343.0851,260.7838,37.49004
sgpcmbeC1.c1,2000,1213:30:00,29 ,206.8637,344.2148,260.4214,36.48575
sgpcmbeC1.c1,2000,1214:30:00,29 ,207.1768,342.9959,260.2995,35.96901
sgpcmbeC1.c1,2000,1215:30:00,29 ,204.9607,332.7255,261.4288,36.71422
sgpcmbeC1.c1,2000,1216:30:00,29 ,191.2842,331.3702,261.5653,39.34231
sgpcmbeC1.c1,2000,1217:30:00,29 ,186.2253,330.3206,263.1065,39.44032
sgpcmbeC1.c1,2000,1218:30:00,29 ,184.7365,327.4365,255.7334, 39.7885
sgpcmbeC1.c1,2000,1219:30:00,29 ,  183.91,324.9619,252.3357, 40.9527
sgpcmbeC1.c1,2000,1220:30:00,29 ,182.6048,324.2441,254.0699,39.75412
sgpcmbeC1.c1,2000,1221:30:00,29 ,181.8858,325.2535,253.3876,41.01142
sgpcmbeC1.c1,2000,1222:30:00,29 ,182.8042,  325.66,253.6711,42.27724
sgpcmbeC1.c1,2000,1223:30:00,29 ,182.9846,327.1135,251.7098,41.70667