datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,03 0:30:00,12 ,0.186041,815.7545,168.1667, 255.757
sgpcmbeC1.c1,2006,03 1:30:00,12 ,0.230126, 589.266,188.2515,233.6182
sgpcmbeC1.c1,2006,03 2:30:00,12 , 0.23822,1033.855,199.3364,303.0488
sgpcmbeC1.c1,2006,03 3:30:00,12 ,0.040327,1251.859,209.0784, 353.049
sgpcmbeC1.c1,2006,03 4:30:00,12 ,0.009762,1447.821,236.3061,418.5759
sgpcmbeC1.c1,2006,03 5:30:00,12 ,0.090061,816.2463,  178.93,271.9895
sgpcmbeC1.c1,2006,03 6:30:00,12 ,0.001834,1630.545,231.4146,468.5701
sgpcmbeC1.c1,2006,03 7:30:00,12 ,0.079155,767.8352,147.8789,230.5154
sgpcmbeC1.c1,2006,03 8:30:00,14 ,       0,444.8486,103.5447,155.9868
sgpcmbeC1.c1,2006,03 9:30:00,15 ,       0,459.9443,142.8839,189.9738
sgpcmbeC1.c1,2006,0310:30:00,16 ,       0,625.7172,130.6538,  190.26
sgpcmbeC1.c1,2006,0311:30:00,17 ,       0, 934.165,156.4973,265.1195
sgpcmbeC1.c1,2006,0312:30:00,17 ,       0,1500.951,210.3869,408.6099
sgpcmbeC1.c1,2006,0313:30:00,16 ,       0,1429.513,190.1653, 393.672
sgpcmbeC1.c1,2006,0314:30:00,16 ,       0,554.0308,118.3704,185.8852
sgpcmbeC1.c1,2006,0315:30:00,16 ,       0,1014.782,130.7949,261.0974
sgpcmbeC1.c1,2006,0316:30:00,17 ,       0,1560.731,169.4712,381.5951
sgpcmbeC1.c1,2006,0317:30:00,16 ,       0,2099.376,229.2077,569.4264
sgpcmbeC1.c1,2006,0318:30:00,14 ,       0,1178.416,205.1252,369.9879
sgpcmbeC1.c1,2006,0319:30:00,14 ,0.053054,1024.566,207.5453,344.7182
sgpcmbeC1.c1,2006,0320:30:00,13 ,       0,1173.907,171.7018,333.2117
sgpcmbeC1.c1,2006,0321:30:00,13 ,       0,1607.486,280.0448,551.5303
sgpcmbeC1.c1,2006,0322:30:00,13 ,       0,852.0226,189.4422,306.5864
sgpcmbeC1.c1,2006,0323:30:00,13 ,       0,475.8922,135.3539,194.9457