datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,11 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 6:30:00,30 ,       0,0.053292,0.001921,0.009725
sgpcmbeC1.c1,1999,11 7:30:00,30 ,0.013581,62.01676,21.68931,14.52354
sgpcmbeC1.c1,1999,11 8:30:00,30 ,0.432156,236.5735,137.0403,54.80431
sgpcmbeC1.c1,1999,11 9:30:00,30 ,0.482998,406.7848,269.5091,102.2276
sgpcmbeC1.c1,1999,1110:30:00,30 ,0.718453,537.6163,393.7954,107.6569
sgpcmbeC1.c1,1999,1111:30:00,30 ,0.112175,614.3549,451.2621, 132.748
sgpcmbeC1.c1,1999,1112:30:00,30 ,0.482273,627.6306,452.8725,149.4805
sgpcmbeC1.c1,1999,1113:30:00,30 ,0.705826,578.4735,417.3551,128.5713
sgpcmbeC1.c1,1999,1114:30:00,30 ,0.811859,470.4438,309.5592,133.2032
sgpcmbeC1.c1,1999,1115:30:00,30 ,0.153824,316.6104,191.3784,85.54699
sgpcmbeC1.c1,1999,1116:30:00,30 ,       0, 132.649,62.95798,33.33928
sgpcmbeC1.c1,1999,1117:30:00,30 ,       0,12.87437,2.037319,2.632201
sgpcmbeC1.c1,1999,1118:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1119:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1120:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1121:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1122:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1123:30:00,29 ,       0,       0,       0,       0