datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,01 0:30:00,31 ,183.9298,330.3938,261.4413,36.27745
sgpcmbeC1.c1,2001,01 1:30:00,31 ,183.8215,330.4206,260.6627,37.80559
sgpcmbeC1.c1,2001,01 2:30:00,31 ,184.0487,331.0671,257.1839,35.95599
sgpcmbeC1.c1,2001,01 3:30:00,31 ,183.8665,330.6161,257.4563,36.23311
sgpcmbeC1.c1,2001,01 4:30:00,31 , 182.751, 331.215,258.2482,35.96967
sgpcmbeC1.c1,2001,01 5:30:00,31 , 182.251,330.9695,258.5214,36.07508
sgpcmbeC1.c1,2001,01 6:30:00,31 ,183.2498, 332.287,256.4374,36.21427
sgpcmbeC1.c1,2001,01 7:30:00,31 ,185.5308,332.8849,254.2318,36.52456
sgpcmbeC1.c1,2001,01 8:30:00,31 ,184.0078,331.5235,256.3074, 38.5218
sgpcmbeC1.c1,2001,01 9:30:00,31 ,187.2808,332.5781,  258.31,38.10094
sgpcmbeC1.c1,2001,0110:30:00,31 ,186.8443, 334.717,259.6552,36.28673
sgpcmbeC1.c1,2001,0111:30:00,31 ,187.6736,340.2856,262.0973,36.25049
sgpcmbeC1.c1,2001,0112:30:00,31 ,191.1944,343.8018,267.4024,37.06759
sgpcmbeC1.c1,2001,0113:30:00,31 , 195.337,332.5143, 267.838,35.25449
sgpcmbeC1.c1,2001,0114:30:00,31 ,195.0486,333.2812,266.1592,33.34078
sgpcmbeC1.c1,2001,0115:30:00,31 , 196.101,330.9945,265.8395,32.61812
sgpcmbeC1.c1,2001,0116:30:00,31 , 197.444,333.5285,269.4211,32.85831
sgpcmbeC1.c1,2001,0117:30:00,31 ,197.1077,336.3362,269.4933,35.63786
sgpcmbeC1.c1,2001,0118:30:00,31 , 196.064,334.4789,266.5207,36.27036
sgpcmbeC1.c1,2001,0119:30:00,31 ,192.9478,338.5221,263.7558,37.09335
sgpcmbeC1.c1,2001,0120:30:00,31 ,189.7772,338.6132,262.2665,37.25392
sgpcmbeC1.c1,2001,0121:30:00,31 ,188.1818,339.2088,261.7196,37.53263
sgpcmbeC1.c1,2001,0122:30:00,31 , 186.865,335.9062,264.1802,37.98458
sgpcmbeC1.c1,2001,0123:30:00,31 ,185.1185,332.6102,261.6756,36.32192