datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,06 0:30:00,22 ,       0,465.9003,26.55029,98.53021
sgpcmbeC1.c1,2003,06 1:30:00,22 ,       0,465.0273,29.83766,99.34708
sgpcmbeC1.c1,2003,06 2:30:00,24 ,       0,382.3748,37.93725,87.24054
sgpcmbeC1.c1,2003,06 3:30:00,23 ,       0,163.1487,18.44935, 45.5479
sgpcmbeC1.c1,2003,06 4:30:00,23 ,       0,117.5037,15.40205,30.23613
sgpcmbeC1.c1,2003,06 5:30:00,23 ,       0,80.21633,15.69398,22.51859
sgpcmbeC1.c1,2003,06 6:30:00,23 ,       0,361.4957,41.03218,88.73932
sgpcmbeC1.c1,2003,06 7:30:00,24 ,       0,224.5774,39.73757,65.27406
sgpcmbeC1.c1,2003,06 8:30:00,24 ,       0,227.2002,31.13449,58.39971
sgpcmbeC1.c1,2003,06 9:30:00,25 ,       0,250.8179, 28.9584,56.37218
sgpcmbeC1.c1,2003,0610:30:00,25 ,       0,557.2565,45.03451,115.2895
sgpcmbeC1.c1,2003,0611:30:00,25 ,       0, 233.035, 28.2846,56.13567
sgpcmbeC1.c1,2003,0612:30:00,25 ,       0,183.6557,20.55462,39.95978
sgpcmbeC1.c1,2003,0613:30:00,25 ,       0,425.0596,35.53225,85.56851
sgpcmbeC1.c1,2003,0614:30:00,25 ,       0,326.2388,41.43507,79.79718
sgpcmbeC1.c1,2003,0615:30:00,25 ,       0,218.3382,41.49988,64.87239
sgpcmbeC1.c1,2003,0616:30:00,24 ,       0,489.7437,58.01499, 130.296
sgpcmbeC1.c1,2003,0617:30:00,25 ,0.001929,778.4985,68.42216,171.7725
sgpcmbeC1.c1,2003,0618:30:00,24 ,0.057832,619.5406,58.61151,136.4628
sgpcmbeC1.c1,2003,0619:30:00,24 ,0.053307,317.0914, 31.2078,64.78042
sgpcmbeC1.c1,2003,0620:30:00,23 ,0.069257,137.6427,23.68823,36.44485
sgpcmbeC1.c1,2003,0621:30:00,23 ,0.027176,  68.991,17.14925,18.25164
sgpcmbeC1.c1,2003,0622:30:00,23 ,       0,  157.69,23.22213, 38.1312
sgpcmbeC1.c1,2003,0623:30:00,24 ,       0,475.0262,60.89627,132.3244