datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,03 0:30:00,28 ,       0,797.1296,101.1584,215.7029
sgpcmbeC1.c1,1999,03 1:30:00,28 ,       0,1310.209,115.6749,284.6716
sgpcmbeC1.c1,1999,03 2:30:00,27 ,       0,571.4832,71.27732,150.1111
sgpcmbeC1.c1,1999,03 3:30:00,26 ,0.010833,494.4273,72.90137,138.8108
sgpcmbeC1.c1,1999,03 4:30:00,27 ,0.016049,1181.059,109.6513, 250.163
sgpcmbeC1.c1,1999,03 5:30:00,28 ,       0,1155.295,129.8298,259.0623
sgpcmbeC1.c1,1999,03 6:30:00,26 , 0.00151,634.7023,102.2858,177.1968
sgpcmbeC1.c1,1999,03 7:30:00,28 ,       0,1199.048,116.0524,250.5511
sgpcmbeC1.c1,1999,03 8:30:00,28 ,       0,546.6325,53.50446,114.7487
sgpcmbeC1.c1,1999,03 9:30:00,28 ,       0,308.1072,32.90578,70.35941
sgpcmbeC1.c1,1999,0310:30:00,28 ,       0,308.2706,35.09855,64.80898
sgpcmbeC1.c1,1999,0311:30:00,28 ,       0,446.0814,45.18045, 90.0958
sgpcmbeC1.c1,1999,0312:30:00,28 ,0.285687,430.6165,49.66325, 91.0457
sgpcmbeC1.c1,1999,0313:30:00,27 ,0.485244,243.5543,47.14343,68.18536
sgpcmbeC1.c1,1999,0314:30:00,24 ,0.365571,245.4992,41.74702, 63.7692
sgpcmbeC1.c1,1999,0315:30:00,23 ,0.037033,599.5211,71.06874,136.9264
sgpcmbeC1.c1,1999,0316:30:00,24 ,0.005938,953.0806,93.73073,209.3911
sgpcmbeC1.c1,1999,0317:30:00,26 ,       0,548.5093,79.29315,156.0234
sgpcmbeC1.c1,1999,0318:30:00,29 ,0.002186, 1342.79, 120.702,278.8539
sgpcmbeC1.c1,1999,0319:30:00,28 ,       0,1007.061,97.88129,233.8455
sgpcmbeC1.c1,1999,0320:30:00,27 ,       0,365.5768,41.53436,86.45339
sgpcmbeC1.c1,1999,0321:30:00,29 ,       0,977.4781,68.61277,190.2482
sgpcmbeC1.c1,1999,0322:30:00,29 ,       0,445.3651,59.10917,118.8105
sgpcmbeC1.c1,1999,0323:30:00,28 ,       0,444.3206,63.62002,130.6937