datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,11 0:30:00,26 ,0.264424,7.279245,1.585736,1.651328
sgpcmbeC1.c1,1998,11 1:30:00,25 ,0.246361,3.836704,1.294442,1.068754
sgpcmbeC1.c1,1998,11 2:30:00,26 ,0.232018,6.270127,1.456889,1.235255
sgpcmbeC1.c1,1998,11 3:30:00,27 ,0.211966,3.851598,1.196985,0.870379
sgpcmbeC1.c1,1998,11 4:30:00,27 ,0.195354, 3.40755,1.110164,0.777264
sgpcmbeC1.c1,1998,11 5:30:00,28 ,0.216162,2.591835,1.008806,0.618778
sgpcmbeC1.c1,1998,11 6:30:00,27 ,0.301381, 3.16379,1.271409,0.812782
sgpcmbeC1.c1,1998,11 7:30:00,26 ,0.508265,5.713133,2.347248,1.521482
sgpcmbeC1.c1,1998,11 8:30:00,26 , 0.54585,9.519719,4.337544,2.643453
sgpcmbeC1.c1,1998,11 9:30:00,27 ,0.842204,9.932414,4.361567,2.578603
sgpcmbeC1.c1,1998,1110:30:00,28 ,0.831471,10.20265,4.328595,2.199822
sgpcmbeC1.c1,1998,1111:30:00,28 , 0.92368,6.390875,3.220568,1.573455
sgpcmbeC1.c1,1998,1112:30:00,28 ,0.840459,7.859709,2.485431,1.561849
sgpcmbeC1.c1,1998,1113:30:00,28 ,0.757616, 6.17924,2.041176, 1.14187
sgpcmbeC1.c1,1998,1114:30:00,28 ,0.604179,7.882835,2.579142,1.554129
sgpcmbeC1.c1,1998,1115:30:00,28 ,0.618803,5.358266,2.919692,1.526474
sgpcmbeC1.c1,1998,1116:30:00,28 ,0.371437,14.37018,4.427995,3.360735
sgpcmbeC1.c1,1998,1117:30:00,28 ,  0.2101,8.659308,3.295998,2.293459
sgpcmbeC1.c1,1998,1118:30:00,28 ,0.192102,3.878594,1.765055,1.155634
sgpcmbeC1.c1,1998,1119:30:00,28 ,0.394012, 4.71794,1.715832,1.042065
sgpcmbeC1.c1,1998,1120:30:00,28 ,0.211238,9.418305,2.150244,1.919049
sgpcmbeC1.c1,1998,1121:30:00,28 ,0.198634,5.284179,  1.5025,1.389482
sgpcmbeC1.c1,1998,1122:30:00,28 ,0.227141,4.761594,1.537169,1.275095
sgpcmbeC1.c1,1998,1123:30:00,27 ,0.245932,4.794993,1.638844,1.432201