datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,08 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 5:30:00,30 ,       0,6.710386,1.448407,1.497381
sgpcmbeC1.c1,1999,08 6:30:00,30 ,4.962407,94.58492,58.99494,27.80882
sgpcmbeC1.c1,1999,08 7:30:00,30 ,19.01026,287.2691,197.3196,87.16745
sgpcmbeC1.c1,1999,08 8:30:00,29 ,31.13037,495.0616,387.4472,129.2293
sgpcmbeC1.c1,1999,08 9:30:00,30 ,150.1466,678.1656,558.5395,144.8752
sgpcmbeC1.c1,1999,0810:30:00,30 ,297.9209,821.8082, 718.312, 139.459
sgpcmbeC1.c1,1999,0811:30:00,30 ,369.1449,912.6353,801.3526,141.5053
sgpcmbeC1.c1,1999,0812:30:00,30 ,308.3304,957.6896,837.1426,157.6056
sgpcmbeC1.c1,1999,0813:30:00,30 ,316.6024,926.5617,789.6666,164.4752
sgpcmbeC1.c1,1999,0814:30:00,30 ,153.3685,904.0104,734.0889,159.7847
sgpcmbeC1.c1,1999,0815:30:00,30 ,83.83009,733.4424,603.9829,133.7838
sgpcmbeC1.c1,1999,0816:30:00,30 ,173.4285,567.4324,461.8622,87.06062
sgpcmbeC1.c1,1999,0817:30:00,30 ,39.49627,343.6934,259.8304,74.45159
sgpcmbeC1.c1,1999,0818:30:00,30 ,2.230633,191.1554,90.51619, 37.4286
sgpcmbeC1.c1,1999,0819:30:00,29 ,       0,16.70872,4.981717,4.772129
sgpcmbeC1.c1,1999,0820:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0821:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0822:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0823:30:00,29 ,       0,       0,       0,       0