datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,07 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 3:30:00,31 ,       0,0.232753,0.007508,0.041804
sgpcmbeC1.c1,2000,07 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 5:30:00,31 ,       0,7.604856,3.551553,2.414879
sgpcmbeC1.c1,2000,07 6:30:00,31 , 0.24661,23.22495, 10.3015,6.251065
sgpcmbeC1.c1,2000,07 7:30:00,31 ,0.711818,31.94053,13.98843,8.930893
sgpcmbeC1.c1,2000,07 8:30:00,31 ,0.545931,45.94747,12.81096,8.720099
sgpcmbeC1.c1,2000,07 9:30:00,31 ,0.786823,43.62737,16.94554,13.60008
sgpcmbeC1.c1,2000,0710:30:00,31 ,2.832956,64.33694, 16.7945,17.41606
sgpcmbeC1.c1,2000,0711:30:00,31 ,2.137172,65.27226,20.32637,21.59302
sgpcmbeC1.c1,2000,0712:30:00,31 ,0.459785,67.57635,20.10374,22.11075
sgpcmbeC1.c1,2000,0713:30:00,31 ,  1.4498,72.82199, 26.4803,23.75487
sgpcmbeC1.c1,2000,0714:30:00,31 ,3.867369,59.05719,21.07324,17.63924
sgpcmbeC1.c1,2000,0715:30:00,31 ,  0.9304,58.69703,18.75557,16.67361
sgpcmbeC1.c1,2000,0716:30:00,31 ,4.888069,52.34862,16.01656,11.89508
sgpcmbeC1.c1,2000,0717:30:00,31 ,5.861589,33.11546,15.00549,6.521601
sgpcmbeC1.c1,2000,0718:30:00,31 ,   5.879,27.53227,13.78986,3.769189
sgpcmbeC1.c1,2000,0719:30:00,31 ,0.436093,9.119777,5.845709,   2.443
sgpcmbeC1.c1,2000,0720:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0722:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0723:30:00,31 ,       0,       0,       0,       0