datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,11 0:30:00,29 ,       0,77.13638,7.037648,19.21583
sgpcmbeC1.c1,1999,11 1:30:00,29 ,       0,85.41644,5.859101, 15.9429
sgpcmbeC1.c1,1999,11 2:30:00,29 ,       0,102.5237,6.174186,18.84941
sgpcmbeC1.c1,1999,11 3:30:00,29 ,       0,75.00819,4.899406,13.84471
sgpcmbeC1.c1,1999,11 4:30:00,29 ,       0,90.90661,6.527381,17.69862
sgpcmbeC1.c1,1999,11 5:30:00,29 ,       0,134.4193,10.85628,31.76541
sgpcmbeC1.c1,1999,11 6:30:00,28 ,       0,378.9559,19.30011,72.87273
sgpcmbeC1.c1,1999,11 7:30:00,28 ,       0,557.4954,25.53316,106.3046
sgpcmbeC1.c1,1999,11 8:30:00,29 ,       0,218.1375,13.16315,43.80687
sgpcmbeC1.c1,1999,11 9:30:00,29 ,       0, 268.055,18.16247,60.78745
sgpcmbeC1.c1,1999,1110:30:00,29 ,       0,294.8636,12.07539,54.54832
sgpcmbeC1.c1,1999,1111:30:00,28 ,       0, 744.981,30.26554,140.2286
sgpcmbeC1.c1,1999,1112:30:00,28 ,       0,941.5302,37.70053,177.2358
sgpcmbeC1.c1,1999,1113:30:00,28 ,       0,1032.057,40.67417,194.3758
sgpcmbeC1.c1,1999,1114:30:00,25 ,       0, 42.9335,5.526461,11.16978
sgpcmbeC1.c1,1999,1115:30:00,24 ,       0,240.1076,20.49382,58.92663
sgpcmbeC1.c1,1999,1116:30:00,22 ,       0,183.2446,11.42034,38.62871
sgpcmbeC1.c1,1999,1117:30:00,17 ,       0,50.34047,6.281994,11.79346
sgpcmbeC1.c1,1999,1118:30:00,28 ,       0,1001.654,38.54067,188.7768
sgpcmbeC1.c1,1999,1119:30:00,28 ,       0,15.97969,2.759347,3.950278
sgpcmbeC1.c1,1999,1120:30:00,29 ,       0,1112.189,41.96945, 205.919
sgpcmbeC1.c1,1999,1121:30:00,28 ,       0,742.6973,30.44808,139.8521
sgpcmbeC1.c1,1999,1122:30:00,28 ,       0,418.5116,18.02009, 78.6446
sgpcmbeC1.c1,1999,1123:30:00,29 ,       0,200.3904,9.111102,36.90053