datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,10 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 2:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 6:30:00,30 ,       0,22.20905,8.328399,5.257123
sgpcmbeC1.c1,1999,10 7:30:00,30 ,7.882504,  60.071,44.21717,15.99336
sgpcmbeC1.c1,1999,10 8:30:00,30 , 8.88142,117.4989,60.38688,22.04251
sgpcmbeC1.c1,1999,10 9:30:00,30 ,7.268487,168.6839,51.70741, 28.3923
sgpcmbeC1.c1,1999,1010:30:00,30 ,14.37496,117.6308,47.16007,25.90658
sgpcmbeC1.c1,1999,1011:30:00,30 ,12.67463, 164.097,43.43621, 46.3699
sgpcmbeC1.c1,1999,1012:30:00,30 ,2.990492,185.1403,39.87427,53.79703
sgpcmbeC1.c1,1999,1013:30:00,30 ,19.90255,279.6234,57.24006,66.38717
sgpcmbeC1.c1,1999,1014:30:00,30 ,16.74559,189.7616,58.70212,39.46322
sgpcmbeC1.c1,1999,1015:30:00,30 ,16.95419,128.6373,58.42487,23.42633
sgpcmbeC1.c1,1999,1016:30:00,30 ,3.237441,79.90857,51.06185,17.75072
sgpcmbeC1.c1,1999,1017:30:00,30 ,2.979215,52.30706,32.11684,13.77314
sgpcmbeC1.c1,1999,1018:30:00,29 ,       0,5.811874,0.839111,1.502256
sgpcmbeC1.c1,1999,1019:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1020:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1021:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1022:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1023:30:00,29 ,       0,       0,       0,       0