datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,05 0:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 2:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 3:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,05 5:30:00,29 ,       0,22.10474,8.923772,5.730677
sgpcmbeC1.c1,1999,05 6:30:00,29 ,0.214228,103.3921,49.05723,25.25464
sgpcmbeC1.c1,1999,05 7:30:00,29 ,20.08792,229.7231,104.7672,52.24373
sgpcmbeC1.c1,1999,05 8:30:00,29 , 41.9915,337.3991,154.1171, 80.9663
sgpcmbeC1.c1,1999,05 9:30:00,29 ,67.68726,402.3315,214.2439,111.2401
sgpcmbeC1.c1,1999,0510:30:00,29 ,51.00202,470.6281,235.1008,128.2051
sgpcmbeC1.c1,1999,0511:30:00,29 ,71.95227,517.0153,243.4764,137.4043
sgpcmbeC1.c1,1999,0512:30:00,29 , 67.9107, 572.907,245.0657,147.6891
sgpcmbeC1.c1,1999,0513:30:00,29 ,71.95836,509.2708,245.5243,148.5669
sgpcmbeC1.c1,1999,0514:30:00,29 ,71.21336,442.8016,244.0096,125.6892
sgpcmbeC1.c1,1999,0515:30:00,29 ,66.67528,387.7345,200.1879,98.14984
sgpcmbeC1.c1,1999,0516:30:00,29 ,37.99107,286.8443,167.4785,71.57717
sgpcmbeC1.c1,1999,0517:30:00,29 ,4.510675,200.0959,117.2728,53.48638
sgpcmbeC1.c1,1999,0518:30:00,29 ,6.753366,96.10139,57.81346,19.12638
sgpcmbeC1.c1,1999,0519:30:00,29 ,       0,17.57489,8.003153, 4.63869
sgpcmbeC1.c1,1999,0520:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0521:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0522:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0523:30:00,28 ,       0,       0,       0,       0