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 ,       0,3.048249,0.115732,0.559234
sgpcmbeC1.c1,2000,11 7:30:00,30 ,1.896901,78.98148,25.29354,19.14554
sgpcmbeC1.c1,2000,11 8:30:00,30 , 10.6432, 264.729,127.6182,77.20006
sgpcmbeC1.c1,2000,11 9:30:00,30 ,25.83092,437.1083,248.3583,133.5171
sgpcmbeC1.c1,2000,1110:30:00,30 ,26.68338, 566.124,345.4269,186.0688
sgpcmbeC1.c1,2000,1111:30:00,30 ,71.04188,642.4356,404.0671,210.0241
sgpcmbeC1.c1,2000,1112:30:00,30 ,63.67699,654.6863,428.9102, 202.397
sgpcmbeC1.c1,2000,1113:30:00,30 ,37.16606,598.2466,389.3377,200.7146
sgpcmbeC1.c1,2000,1114:30:00,30 ,21.14515,491.5673,321.4112,162.6992
sgpcmbeC1.c1,2000,1115:30:00,30 ,19.30584,351.6473,201.8699,111.5183
sgpcmbeC1.c1,2000,1116:30:00,30 ,8.156053,167.3819,80.37912,43.41523
sgpcmbeC1.c1,2000,1117:30:00,30 ,       0,25.03575,5.616355,4.869184
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