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 ,       0,9.721186,3.513348,2.970055
sgpcmbeC1.c1,1999,05 6:30:00,28 ,0.006434,56.60053,26.72855,19.13859
sgpcmbeC1.c1,1999,05 7:30:00,28 , 4.14377,98.27843,56.49836,33.55514
sgpcmbeC1.c1,1999,05 8:30:00,28 ,9.242199,134.4997,84.51426, 43.9554
sgpcmbeC1.c1,1999,05 9:30:00,29 ,19.68033,163.8397,118.2166,43.85968
sgpcmbeC1.c1,1999,0510:30:00,29 ,9.823287,183.4348,145.4922,48.58627
sgpcmbeC1.c1,1999,0511:30:00,29 , 28.4379,192.9008,156.7555,48.92175
sgpcmbeC1.c1,1999,0512:30:00,29 ,12.95622,200.9552,154.9656,51.16622
sgpcmbeC1.c1,1999,0513:30:00,29 ,18.26987,196.4455,156.3494,45.47557
sgpcmbeC1.c1,1999,0514:30:00,29 ,26.33708,182.1723,144.1667, 41.5548
sgpcmbeC1.c1,1999,0515:30:00,29 ,13.28822,159.7187,127.1995,37.28525
sgpcmbeC1.c1,1999,0516:30:00,29 ,7.328201,131.2732,95.52082,33.41072
sgpcmbeC1.c1,1999,0517:30:00,29 ,1.206761,93.04314,66.01285,24.46133
sgpcmbeC1.c1,1999,0518:30:00,29 ,1.248159,46.92043,30.13696,12.24799
sgpcmbeC1.c1,1999,0519:30:00,29 ,       0,7.338907,2.397982,2.008834
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 ,       0,0.002073,0.000071,0.000385
sgpcmbeC1.c1,1999,0523:30:00,28 ,       0,0.031779,0.001427,0.006146