datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,06 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 5:30:00,30 ,       0,35.80396,15.39802,10.26778
sgpcmbeC1.c1,2000,06 6:30:00,30 ,3.099298,111.8674,43.86061,27.27697
sgpcmbeC1.c1,2000,06 7:30:00,30 ,4.930059,118.3732,54.80641,36.85336
sgpcmbeC1.c1,2000,06 8:30:00,30 ,7.831304,233.1489,72.06375,56.28609
sgpcmbeC1.c1,2000,06 9:30:00,30 , 32.5905,228.3242,88.99117,51.28417
sgpcmbeC1.c1,2000,0610:30:00,30 ,19.47735,251.7018,100.0068,76.89085
sgpcmbeC1.c1,2000,0611:30:00,30 ,13.30721,348.4467,115.9238,92.72867
sgpcmbeC1.c1,2000,0612:30:00,30 ,3.654877, 342.722,151.1278,105.7944
sgpcmbeC1.c1,2000,0613:30:00,30 ,14.75841,334.8432,142.8989,102.7846
sgpcmbeC1.c1,2000,0614:30:00,30 ,11.56655,310.5357,142.3539,92.04413
sgpcmbeC1.c1,2000,0615:30:00,30 ,35.98889,257.1578,136.5843,76.99686
sgpcmbeC1.c1,2000,0616:30:00,30 ,12.24003,192.0186,107.3583,59.02246
sgpcmbeC1.c1,2000,0617:30:00,30 ,4.779545,195.2612,77.61136,36.10624
sgpcmbeC1.c1,2000,0618:30:00,30 ,6.044549,104.5255, 47.2965, 23.2148
sgpcmbeC1.c1,2000,0619:30:00,30 ,2.063895,35.12571,18.31442,9.283898
sgpcmbeC1.c1,2000,0620:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0621:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0622:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0623:30:00,30 ,       0,       0,       0,       0