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 ,       0,27.37648,11.61245,8.051174
sgpcmbeC1.c1,1999,05 6:30:00,29 ,0.214228, 192.877,94.35029,61.18672
sgpcmbeC1.c1,1999,05 7:30:00,29 ,20.30212,382.9938,225.3727,124.5924
sgpcmbeC1.c1,1999,05 8:30:00,29 , 41.9915, 589.551, 369.079,184.4967
sgpcmbeC1.c1,1999,05 9:30:00,29 ,94.14852,767.8641,541.8266,203.8382
sgpcmbeC1.c1,1999,0510:30:00,29 ,51.12407,900.7655,698.4942,241.0743
sgpcmbeC1.c1,1999,0511:30:00,29 ,138.2415,983.9739,774.5437,255.0992
sgpcmbeC1.c1,1999,0512:30:00,29 ,68.15454,1008.777,774.2746,266.9801
sgpcmbeC1.c1,1999,0513:30:00,29 ,91.63757,980.3723, 773.283, 238.823
sgpcmbeC1.c1,1999,0514:30:00,29 ,129.0744,884.6316,690.6896,208.1532
sgpcmbeC1.c1,1999,0515:30:00,29 , 66.8149,746.3192, 584.963,175.9392
sgpcmbeC1.c1,1999,0516:30:00,29 ,38.00325,560.3672,413.7491,141.1893
sgpcmbeC1.c1,1999,0517:30:00,29 ,4.715249,359.6491,263.2396,91.73379
sgpcmbeC1.c1,1999,0518:30:00,29 ,6.753366,161.1767,110.1683,40.65938
sgpcmbeC1.c1,1999,0519:30:00,29 ,       0,23.16828,10.00182,6.491573
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