datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,08 0:30:00,31 ,       0,1.289692,0.060958,0.252199
sgpcmbeC1.c1,2001,08 1:30:00,31 ,       0,1.236489,0.055745,0.227557
sgpcmbeC1.c1,2001,08 2:30:00,31 ,       0,1.786408,0.073067,0.329387
sgpcmbeC1.c1,2001,08 3:30:00,30 ,       0,1.778812,0.071962,0.329747
sgpcmbeC1.c1,2001,08 4:30:00,31 ,       0,0.603918,0.025668,0.112705
sgpcmbeC1.c1,2001,08 5:30:00,31 ,       0,7.404742,2.536386,2.067093
sgpcmbeC1.c1,2001,08 6:30:00,31 ,14.15942,64.42854,41.93577,12.47891
sgpcmbeC1.c1,2001,08 7:30:00,31 ,27.84165,113.0932,64.37692,18.56613
sgpcmbeC1.c1,2001,08 8:30:00,31 ,25.34919, 150.922,71.56951,29.83293
sgpcmbeC1.c1,2001,08 9:30:00,31 ,37.53165,179.9375,75.27089,38.08906
sgpcmbeC1.c1,2001,0810:30:00,31 ,26.20221,223.5908, 76.0578,55.68011
sgpcmbeC1.c1,2001,0811:30:00,31 , 17.5064,330.9198,87.83313,88.61809
sgpcmbeC1.c1,2001,0812:30:00,31 ,3.277865,312.7459,106.7136,104.8151
sgpcmbeC1.c1,2001,0813:30:00,31 ,13.86088,312.3067,129.0561,92.68579
sgpcmbeC1.c1,2001,0814:30:00,31 , 32.0899,322.2306,130.9579,90.64679
sgpcmbeC1.c1,2001,0815:30:00,31 ,23.45742,353.1541,126.4768,89.59336
sgpcmbeC1.c1,2001,0816:30:00,31 ,9.747091,220.3336,88.66461,54.39166
sgpcmbeC1.c1,2001,0817:30:00,31 ,2.822593,153.3647,71.34053,29.33223
sgpcmbeC1.c1,2001,0818:30:00,31 ,       0,66.75082,41.00006,14.37305
sgpcmbeC1.c1,2001,0819:30:00,31 ,       0,19.93832,6.815556,5.437939
sgpcmbeC1.c1,2001,0820:30:00,31 ,       0,1.677143,0.136562,0.386869
sgpcmbeC1.c1,2001,0821:30:00,31 ,       0,0.392088,0.020679,0.082151
sgpcmbeC1.c1,2001,0822:30:00,31 ,       0,0.428268,0.013815,0.076919
sgpcmbeC1.c1,2001,0823:30:00,31 ,       0,1.694593,0.054664,0.304358