datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,11 0:30:00,17 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 1:30:00,14 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 2:30:00,14 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 3:30:00,15 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 4:30:00,16 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 5:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,11 6:30:00,30 ,       0,3.048127,0.115131,0.558881
sgpcmbeC1.c1,2000,11 7:30:00,30 ,1.895613,28.40348, 14.6973,7.398741
sgpcmbeC1.c1,2000,11 8:30:00,30 ,10.03446,108.6342,55.62759, 26.3554
sgpcmbeC1.c1,2000,11 9:30:00,30 , 24.3716,193.3688,95.98849,45.24519
sgpcmbeC1.c1,2000,1110:30:00,30 ,24.22324,277.3665,120.6422,69.97492
sgpcmbeC1.c1,2000,1111:30:00,30 , 57.0504,301.5798,128.5385,72.23654
sgpcmbeC1.c1,2000,1112:30:00,30 ,58.88134,300.0826, 138.367,84.34493
sgpcmbeC1.c1,2000,1113:30:00,30 ,37.09262,334.7827,121.6512,75.95136
sgpcmbeC1.c1,2000,1114:30:00,30 , 20.9273,249.5125,98.40566,55.28826
sgpcmbeC1.c1,2000,1115:30:00,30 ,19.23912,146.5145,69.69125,31.82393
sgpcmbeC1.c1,2000,1116:30:00,30 , 8.14707,60.29775,36.89771,13.03199
sgpcmbeC1.c1,2000,1117:30:00,30 ,       0,10.83525,4.315124,2.843479
sgpcmbeC1.c1,2000,1118:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1119:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1120:30:00,24 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1121:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1122:30:00,19 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1123:30:00,16 ,       0,       0,       0,       0