datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,12 0:30:00,28 ,256.7565,391.4921,321.0333, 34.5473
sgpcmbeC1.c1,1998,12 1:30:00,28 ,256.0603,391.2987,319.3643,34.80978
sgpcmbeC1.c1,1998,12 2:30:00,28 , 254.962,392.7708,318.3058,35.68458
sgpcmbeC1.c1,1998,12 3:30:00,28 ,254.0157,391.7305,316.3872,37.01002
sgpcmbeC1.c1,1998,12 4:30:00,29 ,251.0384,389.8427,314.6178,36.98616
sgpcmbeC1.c1,1998,12 5:30:00,29 ,248.5808,385.8757, 313.974,36.08459
sgpcmbeC1.c1,1998,12 6:30:00,29 ,245.3115,386.1826,312.1922,35.56155
sgpcmbeC1.c1,1998,12 7:30:00,29 ,  243.41,387.1819,311.5328,35.03965
sgpcmbeC1.c1,1998,12 8:30:00,29 ,252.7358, 396.798,318.2775,34.93834
sgpcmbeC1.c1,1998,12 9:30:00,29 ,266.2082,405.5517,329.6279,35.22516
sgpcmbeC1.c1,1998,1210:30:00,28 ,277.1246,418.6607,344.1305,35.59108
sgpcmbeC1.c1,1998,1211:30:00,29 ,275.6647,423.4669,352.1979, 39.5209
sgpcmbeC1.c1,1998,1212:30:00,28 ,275.7013,437.3584,360.9721,43.09204
sgpcmbeC1.c1,1998,1213:30:00,27 ,276.3155,437.6185,364.1738,44.34631
sgpcmbeC1.c1,1998,1214:30:00,27 ,275.0932,434.2048,361.3489,43.96347
sgpcmbeC1.c1,1998,1215:30:00,27 ,274.5302,425.6771,355.2505,42.32786
sgpcmbeC1.c1,1998,1216:30:00,28 ,274.2752,415.6755,345.1962,38.61573
sgpcmbeC1.c1,1998,1217:30:00,27 ,266.6792,404.4843,332.8841, 37.3811
sgpcmbeC1.c1,1998,1218:30:00,27 , 262.106,404.3871,327.8151,36.03287
sgpcmbeC1.c1,1998,1219:30:00,27 ,265.3925,404.0018,326.3538,35.12471
sgpcmbeC1.c1,1998,1220:30:00,27 ,265.7036,398.5231,325.6862,34.27054
sgpcmbeC1.c1,1998,1221:30:00,27 ,263.4025,394.5205,324.1439,33.67585
sgpcmbeC1.c1,1998,1222:30:00,28 ,260.8392,396.2054,321.3137,33.25349
sgpcmbeC1.c1,1998,1223:30:00,28 ,259.0987,394.9941,320.3221,33.94649