datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,03 0:30:00,28 ,0.006687,336.9991,20.26444,63.80486
sgpcmbeC1.c1,2005,03 1:30:00,28 ,       0,68.10475,9.739325,16.28837
sgpcmbeC1.c1,2005,03 2:30:00,28 ,       0,81.21507,11.06574,20.56688
sgpcmbeC1.c1,2005,03 3:30:00,27 ,       0,124.8928,18.11098,29.36614
sgpcmbeC1.c1,2005,03 4:30:00,26 ,       0,438.4988,38.01981,92.90608
sgpcmbeC1.c1,2005,03 5:30:00,24 ,       0,115.3868,12.92975,27.09471
sgpcmbeC1.c1,2005,03 6:30:00,25 ,       0,190.1524,21.37864,45.65836
sgpcmbeC1.c1,2005,03 7:30:00,27 ,       0,371.6423,35.29039,83.08165
sgpcmbeC1.c1,2005,03 8:30:00,29 ,       0,240.0999,18.28111,47.49095
sgpcmbeC1.c1,2005,03 9:30:00,30 ,       0,417.9961,36.25552,96.12561
sgpcmbeC1.c1,2005,0310:30:00,30 ,       0,118.4168,12.79448,24.34953
sgpcmbeC1.c1,2005,0311:30:00,29 ,       0,369.8891,24.92919,71.52371
sgpcmbeC1.c1,2005,0312:30:00,29 ,       0,210.2764,21.43474,46.11793
sgpcmbeC1.c1,2005,0313:30:00,29 ,       0,142.3465,17.52249,31.72099
sgpcmbeC1.c1,2005,0314:30:00,29 ,       0,70.29578,12.27855,18.88759
sgpcmbeC1.c1,2005,0315:30:00,29 ,       0,77.78206,14.02769,21.59474
sgpcmbeC1.c1,2005,0316:30:00,29 ,       0,193.8648,18.00389,44.33743
sgpcmbeC1.c1,2005,0317:30:00,28 ,       0,55.52702,9.468678,16.44918
sgpcmbeC1.c1,2005,0318:30:00,28 ,       0,196.4789,15.28767,39.52914
sgpcmbeC1.c1,2005,0319:30:00,29 ,       0,140.5341,16.88409,32.34414
sgpcmbeC1.c1,2005,0320:30:00,29 ,       0,175.3803,20.65862,40.43943
sgpcmbeC1.c1,2005,0321:30:00,29 ,       0,228.4538,28.08805, 59.2356
sgpcmbeC1.c1,2005,0322:30:00,29 ,       0,462.8479,28.43925,87.77371
sgpcmbeC1.c1,2005,0323:30:00,29 ,       0, 191.855,16.69869,39.27139