datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,10 0:30:00,20 ,       0,212.1549,24.22584,57.26182
sgpcmbeC1.c1,2004,10 1:30:00,19 ,       0,53.96242,8.094243,14.29534
sgpcmbeC1.c1,2004,10 2:30:00,19 ,       0,83.80597,9.748665, 20.3704
sgpcmbeC1.c1,2004,10 3:30:00,20 ,       0,228.1371,20.05686,50.95456
sgpcmbeC1.c1,2004,10 4:30:00,20 ,       0,211.9989, 17.7038,47.60002
sgpcmbeC1.c1,2004,10 5:30:00,19 ,       0,115.7886,18.74857,36.41706
sgpcmbeC1.c1,2004,10 6:30:00,17 ,       0,200.3892,22.76601,49.68315
sgpcmbeC1.c1,2004,10 7:30:00,21 ,       0,363.0587,32.22932,86.33695
sgpcmbeC1.c1,2004,10 8:30:00,20 ,       0,340.5529,39.69966,92.16333
sgpcmbeC1.c1,2004,10 9:30:00,22 ,       0,355.1216,49.08891,90.62646
sgpcmbeC1.c1,2004,1010:30:00,23 ,       0, 278.709,39.85404,75.03199
sgpcmbeC1.c1,2004,1011:30:00,21 ,       0,348.1656,50.15642,89.59294
sgpcmbeC1.c1,2004,1012:30:00,19 ,       0, 310.495,43.96385,76.66189
sgpcmbeC1.c1,2004,1013:30:00,14 ,0.091983,318.3944,51.25814,83.43819
sgpcmbeC1.c1,2004,1014:30:00,14 , 0.71921,153.4853,35.31827,49.75197
sgpcmbeC1.c1,2004,1015:30:00,12 ,0.659231,296.5704,31.83587,84.08225
sgpcmbeC1.c1,2004,1016:30:00,15 ,       0,145.2376,14.55427,36.72686
sgpcmbeC1.c1,2004,1017:30:00,16 ,       0,20.85495,5.202293,6.217143
sgpcmbeC1.c1,2004,1018:30:00,21 ,       0,152.5424,14.47021,35.53309
sgpcmbeC1.c1,2004,1019:30:00,23 ,0.196851,360.2943,21.20711,75.44785
sgpcmbeC1.c1,2004,1020:30:00,23 ,0.345567,135.5206,14.12067,32.26428
sgpcmbeC1.c1,2004,1021:30:00,21 , 0.19206, 36.9493, 5.89331,9.175481
sgpcmbeC1.c1,2004,1022:30:00,23 ,0.021276,60.82312,10.39124,17.19134
sgpcmbeC1.c1,2004,1023:30:00,20 ,0.148098,104.9922,15.50114,25.43106