datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,06 0:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,06 1:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,06 2:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,06 3:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,06 4:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,06 5:30:00,27 ,       0,15.03524,6.608659,3.795661
sgpcmbeC1.c1,2005,06 6:30:00,27 ,1.261878,47.48106,31.39965,12.95818
sgpcmbeC1.c1,2005,06 7:30:00,27 ,3.611672,84.85935,64.74432,23.56027
sgpcmbeC1.c1,2005,06 8:30:00,28 ,36.04008,116.8312,92.96468,21.45171
sgpcmbeC1.c1,2005,06 9:30:00,28 ,76.92798,141.8485,119.9803,15.67032
sgpcmbeC1.c1,2005,0610:30:00,28 ,11.58226,155.0465, 130.267,26.71709
sgpcmbeC1.c1,2005,0611:30:00,28 ,55.36757,159.1862,  135.92,23.24638
sgpcmbeC1.c1,2005,0612:30:00,27 ,105.1021,164.7327,141.7634,14.66769
sgpcmbeC1.c1,2005,0613:30:00,27 ,91.94114, 162.387,133.1935, 19.5096
sgpcmbeC1.c1,2005,0614:30:00,27 ,34.24543,151.0705,120.9588,32.24454
sgpcmbeC1.c1,2005,0615:30:00,27 , 23.5564,135.8305,105.4175,34.03094
sgpcmbeC1.c1,2005,0616:30:00,27 ,7.861245,113.1995,86.80457,29.37634
sgpcmbeC1.c1,2005,0617:30:00,27 ,4.646513,82.37945,63.62692,23.05281
sgpcmbeC1.c1,2005,0618:30:00,27 ,0.680965,44.16109,31.47659,14.36086
sgpcmbeC1.c1,2005,0619:30:00,27 ,       0,12.16153,7.171604,3.749624
sgpcmbeC1.c1,2005,0620:30:00,27 ,       0,0.001681,0.000062,0.000323
sgpcmbeC1.c1,2005,0621:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,0622:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,0623:30:00,27 ,       0,0.025103, 0.00093,0.004831