datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,02 0:30:00,26 ,       0,1.911936,0.168359,0.392791
sgpcmbeC1.c1,1999,02 1:30:00,25 ,       0,1.379258,0.135924,0.309015
sgpcmbeC1.c1,1999,02 2:30:00,23 ,       0,0.932414,0.135491,0.281781
sgpcmbeC1.c1,1999,02 3:30:00,25 ,       0,0.621317, 0.15116,0.224743
sgpcmbeC1.c1,1999,02 4:30:00,26 ,       0, 0.48992,0.087661,0.130801
sgpcmbeC1.c1,1999,02 5:30:00,26 ,       0,1.073203,0.144377,0.288498
sgpcmbeC1.c1,1999,02 6:30:00,26 ,       0,0.489388,0.112241,0.127034
sgpcmbeC1.c1,1999,02 7:30:00,26 ,2.679233,62.86785,22.09738,16.88665
sgpcmbeC1.c1,1999,02 8:30:00,26 ,15.59791,257.8858,139.0853,76.31618
sgpcmbeC1.c1,1999,02 9:30:00,26 ,35.45606,456.0004,283.4326,142.0812
sgpcmbeC1.c1,1999,0210:30:00,26 ,103.3886,620.0095,424.1155,176.5252
sgpcmbeC1.c1,1999,0211:30:00,26 ,109.3281, 727.135,528.8899,182.1712
sgpcmbeC1.c1,1999,0212:30:00,26 ,111.7582,772.5388,586.9104,163.7472
sgpcmbeC1.c1,1999,0213:30:00,26 ,148.9946,749.2689, 568.885,169.7151
sgpcmbeC1.c1,1999,0214:30:00,26 ,43.58125,662.8201,494.5701,169.7983
sgpcmbeC1.c1,1999,0215:30:00,26 ,17.44202,522.3336,387.7731,129.2198
sgpcmbeC1.c1,1999,0216:30:00,26 ,18.03249,334.1425,232.2034,83.37939
sgpcmbeC1.c1,1999,0217:30:00,26 ,5.828228,137.2329,76.75809,37.05256
sgpcmbeC1.c1,1999,0218:30:00,26 ,0.000896, 9.06069,3.412346,2.945114
sgpcmbeC1.c1,1999,0219:30:00,26 ,       0,0.782571,0.216998, 0.22378
sgpcmbeC1.c1,1999,0220:30:00,26 ,       0,0.755503,0.122764,0.185229
sgpcmbeC1.c1,1999,0221:30:00,26 ,       0,1.241455,0.174736, 0.29385
sgpcmbeC1.c1,1999,0222:30:00,26 ,       0,1.325925,0.278219,0.393663
sgpcmbeC1.c1,1999,0223:30:00,26 ,       0,1.501803,0.158638,0.332393