datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,02 0:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,02 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,02 2:30:00,28 ,       0,0.369008,0.013179,0.069736
sgpcmbeC1.c1,2005,02 3:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,02 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,02 5:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,02 6:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,02 7:30:00,28 ,       0,11.58968,3.977726,3.256047
sgpcmbeC1.c1,2005,02 8:30:00,28 ,0.116862,15.79743,7.036553,5.037516
sgpcmbeC1.c1,2005,02 9:30:00,28 ,0.583165,30.76625,9.271076,6.852657
sgpcmbeC1.c1,2005,0210:30:00,28 ,1.002307,28.02009,9.113955,7.144843
sgpcmbeC1.c1,2005,0211:30:00,28 ,1.405599,35.71558,8.482531,8.061885
sgpcmbeC1.c1,2005,0212:30:00,28 ,0.580493,42.57439, 9.83865,11.17135
sgpcmbeC1.c1,2005,0213:30:00,28 , 1.53723, 44.3005,9.481271,11.94433
sgpcmbeC1.c1,2005,0214:30:00,28 ,0.873552,48.85682,10.88782,12.38282
sgpcmbeC1.c1,2005,0215:30:00,28 ,0.847142,41.02208,11.07673,9.515996
sgpcmbeC1.c1,2005,0216:30:00,28 ,0.711719,31.60273,9.207951,6.879536
sgpcmbeC1.c1,2005,0217:30:00,27 ,0.182267,13.71893,6.718416,4.948221
sgpcmbeC1.c1,2005,0218:30:00,27 ,       0,4.001301,0.408483,0.905808
sgpcmbeC1.c1,2005,0219:30:00,28 ,       0,0.058974,0.002106,0.011145
sgpcmbeC1.c1,2005,0220:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,0221:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,0222:30:00,28 ,       0,0.219592,0.010156, 0.04283
sgpcmbeC1.c1,2005,0223:30:00,28 ,       0, 0.41481,0.014815,0.078392