datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,06 0:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,06 1:30:00,27 ,       0,0.375089,0.017925,0.074388
sgpcmbeC1.c1,1998,06 2:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,06 3:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,06 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,06 5:30:00,28 ,1.159344,32.37358,21.39156,7.732931
sgpcmbeC1.c1,1998,06 6:30:00,28 ,12.88955,188.9553,129.2827, 54.8859
sgpcmbeC1.c1,1998,06 7:30:00,28 ,51.51495,386.7293,283.6955,102.7581
sgpcmbeC1.c1,1998,06 8:30:00,28 ,57.29937,  580.63,443.2981, 163.771
sgpcmbeC1.c1,1998,06 9:30:00,28 ,34.81309,765.2407,575.2825,231.0034
sgpcmbeC1.c1,1998,0610:30:00,28 ,123.1159,910.3389,716.4176,234.4046
sgpcmbeC1.c1,1998,0611:30:00,28 ,113.9011,995.6404,805.8785,247.3969
sgpcmbeC1.c1,1998,0612:30:00,28 ,121.5839,1019.756,868.8535,198.4717
sgpcmbeC1.c1,1998,0613:30:00,27 ,286.0733, 967.835,856.4105, 156.048
sgpcmbeC1.c1,1998,0614:30:00,27 ,269.1602,881.4249,754.9536,143.2091
sgpcmbeC1.c1,1998,0615:30:00,27 ,68.87045, 763.136,615.0903,176.5827
sgpcmbeC1.c1,1998,0616:30:00,27 ,103.6178,582.0993,436.5841,153.9267
sgpcmbeC1.c1,1998,0617:30:00,27 ,8.233266,422.2837,287.2959,108.2404
sgpcmbeC1.c1,1998,0618:30:00,26 ,21.60875, 192.275,139.2483,47.18184
sgpcmbeC1.c1,1998,0619:30:00,26 ,1.568484,67.21607,26.08223,13.52163
sgpcmbeC1.c1,1998,0620:30:00,26 ,       0,1.323416,0.053088,0.259337
sgpcmbeC1.c1,1998,0621:30:00,26 ,       0,0.055224,0.002124, 0.01083
sgpcmbeC1.c1,1998,0622:30:00,26 ,       0,0.582394,  0.0224,0.114217
sgpcmbeC1.c1,1998,0623:30:00,27 ,       0,0.111372,0.004125,0.021433