datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,03 0:30:00,10 , 247.516,342.7461,291.0805,36.03216
sgpcmbeC1.c1,1997,03 1:30:00,10 ,245.9292,339.0344,282.3747,28.27878
sgpcmbeC1.c1,1997,03 2:30:00,10 ,244.5549, 325.892,276.9606,27.21539
sgpcmbeC1.c1,1997,03 3:30:00,9 ,242.4256,336.7013,277.3477,32.60755
sgpcmbeC1.c1,1997,03 4:30:00,10 ,242.9083,328.6652,  274.66,29.34421
sgpcmbeC1.c1,1997,03 5:30:00,10 ,241.7427,355.5963, 276.081,36.00208
sgpcmbeC1.c1,1997,03 6:30:00,11 ,239.9001,342.5353,271.9083,32.24799
sgpcmbeC1.c1,1997,03 7:30:00,10 ,240.0556,343.5683,273.1148,33.95515
sgpcmbeC1.c1,1997,03 8:30:00,9 ,246.9339,342.3213,280.4309,33.44026
sgpcmbeC1.c1,1997,03 9:30:00,9 ,254.4197,338.5732,283.7242,31.92342
sgpcmbeC1.c1,1997,0310:30:00,10 ,254.9797,337.5688,286.6029,29.48011
sgpcmbeC1.c1,1997,0311:30:00,10 ,259.3452,354.1724,290.9674,30.48465
sgpcmbeC1.c1,1997,0312:30:00,9 , 263.019,359.2728,294.8341,31.75749
sgpcmbeC1.c1,1997,0313:30:00,10 ,263.1589,359.9243,298.9822,29.69783
sgpcmbeC1.c1,1997,0314:30:00,10 ,263.6909,362.2142,299.8818,29.94361
sgpcmbeC1.c1,1997,0315:30:00,11 ,261.3161,366.2314,306.3359,31.49589
sgpcmbeC1.c1,1997,0316:30:00,11 ,259.4546,367.7143,306.4112,32.11493
sgpcmbeC1.c1,1997,0317:30:00,10 ,258.4542,366.9026,310.7368, 39.1729
sgpcmbeC1.c1,1997,0318:30:00,8 , 254.548,372.1452,310.5061,45.44131
sgpcmbeC1.c1,1997,0319:30:00,11 , 252.136, 365.673,306.3376,37.77172
sgpcmbeC1.c1,1997,0320:30:00,11 ,  251.65,386.0329,309.0451,42.61242
sgpcmbeC1.c1,1997,0321:30:00,11 , 250.534,370.8793,305.2152,40.84864
sgpcmbeC1.c1,1997,0322:30:00,11 ,249.4118,361.1979,300.9731,37.65972
sgpcmbeC1.c1,1997,0323:30:00,8 ,249.0788,349.9997,296.4352, 37.8711